Bgas - TTS - MCQ's - Part 1 [PDF]

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Bgas Painting Inspector Certification Notes Part 1 2019

Section 1 1. Other name for Rust a. Sulphur reducing bacteria b. Hydrous iron oxide c. Mill scale d. Wustite 2. Which one is more electro negative in given list a. Silver b. Graphite c. Magnesium d. Titanium 3. The mill scale forms at a. Upto 650c b. Excess 5800c c. Detect Mill scale d. Below 5800c 4. Atom acquire electric charge by a. Polarization b. Salts c. Acid d. Temperature 88. Fe++ is a. An atom b. Molecule c. Ion d. Iron Substrate 89. Which is cathode in corrosion a. Water b. Oxygen c. Substrate d. Electrons released 90. Which one is more noble a. Silver b. Steel c. Magnesium d. Zinc 91. Hygroscopic salts cause a. Rash rusting b. Pinholes c. Rogue peak d. Blisters

109. Specular Hematite is other name a. Rust b. Millscale c. MIO d. Steel flex 231. In corrosion circuit do electrons flow from a) Anode to cathode b) Cathode to electrolyte c) Cathode to anode d) Anode to electrolyte 164. Which one is not a compound in millscale a. FeO b. Fe2O3 c. Fe2 O4 d. Fe3O4 168. Colour of Millscale a) Dark Blue b) Dark Grey c) Black d) No Colour 271. Which one of the following is more noble ? a) Zinc b) Steel c) Millscale d) Aluminium 275. Another name for E.M.F Series a. Electromagnetic spectrum b. Electrical chemical series c. Galvanic list d. Atomic / Periodic table 327. Two example of Hygroscopic Salts would be: a. Iron Phosphates and Iron Chromates b. Iron Chlorates and Iron Oxides c. Iron Sulphates and Iron Chlorides d. Iron Sulphides and Iron Silicates 328. What is an electrolyte? a. It is a mixture of salts and water b. A substance which will conduct electricity and cause rusting

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Bgas Painting Inspector Certification Notes Part 1 2019 c. Oxidizing liquid which will attack steel d. A substance which will conduct a current and be broken down by it. 329.

Corrosion is defined as: a. Rusting of the Cathode by electro b. physical means Oxidation of a metal in contact with water c. Degradation of a material by chemical or electrochemical means d. Breakdown of the metal by hydrogen

331. The “degradation of material by chemical or electrochemical means” is : a. Picking followed by passivation b. Acid cleaning c. Corrosion d. An Electrolyte 333. Another name for the Galvanic List, is: a. The Corrosion List b. Cathode to Anode c. Electrical Corrosive Properties Series d. Electromotive Forces Series 334. In the corrosion circuit, electrons travel from: a. Anode to cathode b. Cathode to cathode c. Electrolyte to both cathode & anode d. None of the above 335. If Zinc and Aluminium were in close contact, in the presence of electrolyte: a. Aluminium would corrode b. They would corrode equally c. Zinc would corrode d. None of the above 336. When the electrolyte is water, what occurs at the cathode during a corrosion reaction? a. Rusting of the surface would begin

b. Oxygen is given off c. Electrons are entering the material d. Hydrogen is evolved 337. a. b. c. d.

MEMʼ s are also know as: Moisture Enriched Materials Metal Eating Microbes Maximum Evolved Moistures Material Electron Mobility

340. Three factors which can affect the rate of corrosion are: a. Temperature, Time, and Coating system b. Bi- metallic contact, Hygroscopic Salts, and Bacteria c. Blasting Grades, Rust Grades, and Surface Profile 342. The thickness of Mill scale is approximately: a. 25 μm to 100 μm b. 100 to 150 μm c. zero d. Dependent upon the material thickness 343. The three compressed oxides which form Mill scale are: a. Iron oxide, Rust, and Iron sulphate b. Wustite, Haemantite, and Magnetite c. Iron Sulphate, Iron Chloride, and Iron Phosphate d. RSC, RSJ, and RSA 385. The main by-product of the corrosion reaction is: a. Iron oxides. b. Hydrogen. c. Calcium carbonate. d. Sodium chloride. 415. a. b. c. d.

An anode becomes positively charged by: Releasing protons to the cathode Releasing electrons to the cathode Releasing atoms to the cathode None of the above

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Bgas Painting Inspector Certification Notes Part 1 2019 c. Electron d. Moron 421. Which two mechanisms define the corrosion reaction? a. Electrical reaction and a chemical reaction b. Electrical circuit and chemical reaction c. Electrical and chemical reaction d. Electrical and chemical circuit 444. In a corrosion cell electrons flow from: a. Cathode to anode via metallic path. b. Anode to cathode via electrolytic path. c. Anode to cathode via metallic path. d. Anode to electrolyte. 240. Which metal corrode fast according to bimetallic principle a. Less electronegative b. More Electropositive c. More noble d. Less Noble 295. Another name for E.M.F Series a. Electromagnetic spectrum b. Electrical chemical series c. Galvanic list d. Atomic / Periodic table 330. Hydrogen is evolved at: a. The Anode at all times b. The Cathode at all times c. The Cathode as a by-product of the corrosion reaction d. The Anode as corrosion takes place

380. An atom becomes an electrically charged positive ion by: a. Releasing electrons. b. Releasing protons. c. Releasing charged atoms. d. None of the above. 397. During the corrosion reaction, the cathode primarily contains: a. Negative iron ions, dissociated from the electrolyte b. Positive iron protons, dissociated from the electrolyte c. Positive electrons, dissociated from the electrolyte d. Negative protons, dissociated from the electrolyte 404. Aerobic conditions would refer to the highest proportion of which the following?

a. b. c. d.

Hydrogen Oxygen Nitrogen Water

416. In the Galvanic list, Which of the following materials has the highest known average potential value?

a. b. c. d.

Mill scale Copper Zinc Graphite

339. Which of the following is not a sub atomic particle? a. Proton b. Neutron c. Micron d. Electron

425. Bi metallic corrosion causes: a. Causes a material of a higher nobility to corrode faster b. Causes a material of a the same nobility to corrode faster c. Causes a material of a lower nobility to corrode faster d. Causes a material containing carbon to corrode faster

351. Name a sub atomic particle: a. Atom b. Micron

443. Which isn’t an electrolyte? a. Concrete. b. Soil

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Bgas Painting Inspector Certification Notes Part 1 2019 c. Steel d. Water

Section 2 6. Surface profile needle gauge calibrated by a. Flat smooth plate b. Permanent record c. Curved surface d. Using replica tape 71. 1000 µm = a. 1cm b. 1mm c. 10mm d. 0.1mm 72. Which one is non-metallic abrasive a. Iron Silica b. Steel Shot, c. Steel Grit, d. Grit-Shot Mix 7. Abrasive blast grades a. Sa1 b. Sa2 c. Sa2.1/2 & Sa 3 d. All the above 8. Abrasive blast pressure measured by a. Banana gauge b. Hegman gauge c. Hypodermic needle gauge d. Surface profile gauge 9. Footners duplex system pickling followed by passivation a. Good Opacity b. Sulphuric acid & phosphoric/chromic acid c. Cohesive Strength d. Porous Film

62. if you find contractor using re crushed copper (Cu) slag a. continue the work b. report to client c. stop the work and report to engineer d. no problem 78. Chemical cleaning is another name for a. Silver nitrate test b. Potassium ferry cyanide test c. Pickling d. Copper sulphate test 82. can be used to check pressure a. Hygrometer b. Surface profile needle gauge c. Hypodermic needle gauge d. Touch pyrometer 92. Which pressure suitable for dry blasting a. 20psi b. 100psi c. 220psi d. 450psi 93. Degree of roughness related to a. Abrasive blasting b. Hand and power tool c. Anchor pattern d. Abrasive hardness 94. Un fused area in steel is a. Sliver b. Rogue Peak c. Hackle d. Pinhole 95. Transparent layer in replica tape is a. Milar b. Mylex c. Mylar d. Testex 96. _____Not suitable for profile measurement a. Dial micrometer b. Surface profile needle gauge c. Surface comparator d. Corn plaster method

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Bgas Painting Inspector Certification Notes Part 1 2019 97. Very coarse profile will occurs when a. High pressure Water blasting b. Flame cleaning c. Dry Abrasive blasting d. Needle Gunning 108. Reccova (Miser) valve is a. Control abrasive transfer b. Stores abrasives c. Removes water d. Control air from compressor

129. Burnishing occurs when a. High pressure Water blasting b. Flame cleaning c. Wire brushing d. Needle Gunning 135. A Coating continues protection of 7 years, Which falls in a. Long term protection b. Medium term protection c. Short term protection d. Fixed term protection 171.

115. Vacuum blasting is a. Water blasting b. Abrasive blasting c. Closed blasting d. Air blasting with water 116. Inclusion is defect related to a. Rogue peak b. Lamination c. Hackle d. High thickness profile 120. How much air supplied, if nozzle size is ½ inch a. 450 cfm b. 413 cfm c. 100 cfm d. 220 cfm

Abrasive is preferred for Wheel abrator a. Steel Grit b. Steel Shot c. Grit and Shot Mixed d. Copper Slag 175. Concentration and temperature of sulphuric acid in pickling process a. 5-10% , 65-70 °C b. 65-70% , 5-10 °C c. 2%, 80 °C d. 80%, 65-75 °C 177. Phosphating process of steel structure is termed as a. Pickling b. Passivation c. Cathodic protection d. Salt Detection

122. Which PH range is required after chemical cleaning of steel substrate a. 7 b. 7 – 14 c. 4.5 – 7 d. 0

228. Wa1 ,Wa2 are grades of a. Abrasive blasting b. Closed blasting c. Water Blasting d. Weathering Grades

123. Which Abrasive is preferred to use on stainless steel a. Copper slag b. Steel Grit c. Steel Shot d. Aluminium oxide

229. When using replica tape 50um deducted because a. Thickness of paper b. Thickness of transparent layer c. Thickness of Testex d. Dial micrometer Criteria

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Bgas Painting Inspector Certification Notes Part 1 2019 247. Amplitude is a term associated with a. Dry film thickness b. Wet film thickness c. Matt Film d. peak to trough height

272. Which one is not associated with wet blasting? a. Spark free b. Profile roughness c. Remove Toxic contents d. Remove Soluble Salts

250. Degree of cleanliness not depends a. Time spent on area b. Angle of impingement c. Velocity of the particles d. Substrate rust grade

378. When measuring acidity and alkalinity, distilled water has a pH value of: a. 1 b. 3.5 to 4.5 c. 7 d. 7.5 to 8.5

256. Very thorough blast cleaning grade refers to a. Sa1 b. Sa2 c. Sa2½ d. Sa3 293. Adhesion is caused by a. Molecular integration, Molecular connection b. Molecular interference, Molecular attraction c. Molecular cross linking , Molecular attachment d. Molecular interaction, Molecular collaboration 258. If Profile thickness is higher than specified, result will be a. Rash rusting b. Cause Paint adhesion c. Blisters d. Mill scale 261. High pressure abrasive blasting operates at which pressure a. 100 psi b. 2500 psi c. 20000 psi d. 30000 psi

338. When checking surface profile using X-Course replica: a. 50 micro must be added to the final reading b. The average number of readings must be taken c. 50 microns must be deducted from the reading d. A minimum of ten readings must be taken 341. How many Abrasive Blast Cleaning photographs are in BS 7079 part A? a. 04 b. 14 c. 08 d. 16 346. Rust Grade A can be described as: a. Tightly adhering Mill scale, with evident heavy pitting b. Clean white metal c. Tightly adhering Mill scale, with no apparent corrosion d. Mill scale which has begun to flake, or can be scraped away 347. Which Blasting Grade best describes “Thorough Blast cleaning”? a. Sa1 b. Sa2 c. Sa21/2 d. Sa3 348. The two factors to consider when inspecting a surface preparation:

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Bgas Painting Inspector Certification Notes Part 1 2019 a. Degree of cleanliness, and time taken b. Surface Profile, and material condition c. Surface Profile and degree of cleanliness d. Degree of cleanliness, and surface contamination 407.

‘Wet abrasive’ blast cleaning of a surface should be followed by ‘Dry’ abrasive blast cleaning:

a. Only as directed by the engineer b. To remove the surface profile created by the wet process c. Because the immediate oxidation of the substrate after wet blasting must be removes d. Does not need to be carried out if water sensitive paint systems are used 418.

Enclosed blasting chambers are used because: a. They protect other people and equipment from blast scatter b. They are cheap to setup c. They provide an adequate surface profile d. They normally use expandable Abrasives.

424. A “Wheel abrator” is: a. A portable item of blasting equipment used on site b. Used during the manufacture of paint c. Is an enclosed, centrifugal blasting chamber d. A measurement of paint viscosity 427. A surface comparator is used to: a. Measure the surface profile of a blast cleaned substrate b. Compare the cleanliness of a blast cleaned surface c. Assess the roughness of a blast cleaned profile d. Recode the peak to through height of a blast cleaned profile

442. A Wheelabrator is: a. A portable item of blasting equipment used on site b. A direct charge mill used during the manufacture of paint c. A centrifugal blasting unit d. A rotational viscosity measuring equipment 446. Which regulations do not allow the use of sand as an abrasive? a. IGE SR 20. b. SRS 59 00. c. COSHH. d. EPA. 466. To achieve an increase in paint it is necessary to increase the: a. Pressure of the air/abrasive stream. b. Speed of the air abrasive stream. c. Amount of abrasive in the stream. d. Surface area of the substrate – within limits. 470. What is the main reason for rash rusting? a. Faulty application technique. b. Trapping solvent below the surface. c. Rogue peaks. d. Escaping solvent or gasses.

Section 3 10. Test used in marine environment a. Millscale b. Silver nitrate test c. Ultra violet test d. powder 98. Which one is not quantitative? a. Silver nitrate test b. Dolly test c. Bristle sample patch test d. Banana gauge test 289. Which test cannot detect hygroscopic salts a. Pottassium ferricyanide b. Silver nitrate c. Brestle sample patch d. Copper Sulphate

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Bgas Painting Inspector Certification Notes Part 1 2019 151. a. b. c. d.

can be used to detect the presence of oil or grease Copper sulphate Transparent Sticking Paper UV Light Brestle Sample Patch

178. Millscale test done , when Blast grade is a. Sa1 b. Sa2 and Above c. Sa2½ and Above d. Sa3 300. Why a painting inspector keep potassium ferry cyanide solution a. For checking millscale b. For checking hygroscopic salts c. For detecting oil and grease d. For pickling process

Section 4 11.

Cause chemical reaction between paint & substrate a. Stripe coat b. Hydrous iron oxide c. Chloride d. Passivation 12. Linear polymer need what element for polymerization a. Carbon b. High Solid Epoxy c. Oxygen d. Urethane 87. which laminar pigment is best for UV protection a. Aluminum Flake b. MIO c. Glass Flake d. Graphite

322. The test for soluble iron salts is important because: b. these salts may be present will increase corrosion rate. c. these salts may be present because of improper manufacturing procedures at the steel rolling mill. d. these salts will mix with the coating and improve adhesion. e. these salts will leach out crate an acidic surface 386. The test for detecting soluble sulphate and chloride salts on a steel substrate is the: a. Xylene solvent test. b. Copper sulphate test. c. Potassium hexacyanoferrate test. d. Wolff-willborn test

13. Which is saturated oil a. Safflower oil b. Tung oil c. Castor oil d. Soya oil

447.Surface contamination detection tests would be carried out: a. Before surface preparation. b. After painting. c. Before painting. d. After surface preparation.

16. MIO needs resistance a. Oxide b. Haemantite c. Mill scale d. Wustite

14. In some cases Property of pigment a. Dry film thickness b. impermeability c. Matt Film d. peak to trough height 15. Which is non toxic from list a. Red lead b. Coal tar c. Titanium dioxide d. Zinc phosphosilicate for moisture

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Bgas Painting Inspector Certification Notes Part 1 2019 17. Property of “near” CPVC a. Critical pigment volume concentration b. Giving good resistance to water permeation c. Velocity of the particles d. Low cohesive strength

150. Which is not a property of extender pigments a. Increase Gloss b. Increase Adhesion c. Increase Cohesion d. Increase film strength

18 .

23. Which binder can’t be used as moisture born a. Sa1 b. Oils c. Matt Film d. Sa3

156. Which factor does not affect gloss of a paint film a. CPVC b. Flash Point c. Particle Size d. Solvent type 176. Which one is not a laminar pigment a. Graphite b. Aluminium flake c. Glass flake d. China Clay 186. are examples for natural resin a. Amber, Laq b. Soya Oil, Tung Oil c. Bitumen , Coal tar d. Copals&dammars, coumarone 99. Which is not a property of binder a. Cohesive strength b. Leafing effect c. Resist water d. Hold pigments in suspension

74. Thixotropes are of a. Liquid b. Solid c. Gel d. Gas

100. Which one is saturated a. Linseed oil b. Tung oil c. Palm oil d. China wood oil

Paint if stirred change to normal liquid a. Critical pigment volume concentration b. Thixotrophic c. Density of the paint d. Low cohesive strength 19.____ Also known as oxidants, these are heavy metal salts rich in oxygen a. Zinc rich epoxy b. Driers c. Urethane d. Methyl ethyl ketoxime

type

75. Addition of Thixotropes helps to avoid a. Blistering b. Sagging c. Cracking d. Flaking

10.1 Which one is not a pigment, it is a binder a. Coal tar b. Red lead c. MIO d. Silicone

124. Which one is not a property of binder a. Adhesion b. Cohesion c. Evaporation d. Dielectric strength

102. Which one cannot be used for yellow colour paint a. Chromium b. Cobalt c. Calcium d. Iron 103 Which one is not toxic

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Bgas Painting Inspector Certification Notes Part 1 2019 a. Zinc chromate b. Zinc phosphate c. Calcium plumbate d. Coal tar 104. Which property of a solvent is not best a. Low evaporation rate b. Low toxicity c. Low flashpoint d. High evaporation rate 110. Toxicity measured in a. Mph b. Psi c. Ppm d. Cfm 126. A saturated oil can be used in binder for a. Fast drying b. Shelf life c. Flexibility d. Anti skinning 191.

is an example for aliphatic HC solvents a. Water b. Xylene c. Turpentine d. Acetone 192. Non drying oils can be used in paints, for a. Fast drying b. Activate Chemical reaction c. Flexibility d. Slow drying 193. Which additive used in paints to stop settlements a. Drying oils b. Non Drying oils c. Wax d. Anti skinning agents

202. Which one is suitable for steel work a. Short oil paint b. Medium oil paint c. Long Oil paint d. Full Oil paint 203. Pigment, used in paints must remain solid particles, if dissolve in a binder called a. Lacquer b. Dye c. Varnish d. Solute 242. Too much binder to solid ratio gives a. Good Opacity b. Good Gloss c. Cohesive Strength d. Porous Film 243. Specular Hematite is commonly called a. Millscale b. Rust c. MIO d. Iron Sulphate 248. Which solvent group is suitable for chlorinated rubber paints a. Xylene b. Ketones c. Water d. White Spirit 262. Too much binder to solid ratio gives a. Good Opacity b. Good Gloss c. Cohesive Strength d. Porous Film 274. Which one is a non toxic pigment? a. Zinc Phosphate b. Zinc Chromate c. Read Lead d. Coal tar 280. Which polymerization done in oxidation drying paints a. linear b. Solution c. Branched d. Cross linked

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Bgas Painting Inspector Certification Notes Part 1 2019 281. Which one is used to retard the formation of skin in paint solution a. Palm Oil b. Octoic Acid c. Methyl Ethyl Ketoxime d. Bentones

283. A laminar pigment with excellent UV Reflectance properties a. Glass flake b. Aluminum Flake c. MIO d. Mica 285. Which one is not a property of binder a. Adhesion b. Cohesion c. Evaporation d. Dielectric strength

308. Example for branched polymerization a. Epoxy b. Alkyd c. Acrylic d. Urethane 353. What are the 3 basic constituents of paints? a. Polymers, Epoxy and colorant b. Natural Oils, Dyes and Hardeners c. Oil, Color and extenders d. Binder, Solvent, Pigments and other additives 355. The temperature at which the vapour from a solvent will ignite in the presence of a source of ignition is: a. Upper explosive limit b. Dew Point c. Flash point d. Relative Humidity 393. Which if the following is considered to be a “Laminar Pigment”?

a. b. c. d. 419. a. b. c. d.

Mica Coal tar Zinc chromate Red lead Which additive in paint helps to prevent film cracking in use? A plasticizer A Thixotropes A stabilizer An extender

420. Which paint constituent can be found in powder form? a. The Binder b. The driers c. The solvent d. The anti skinning agent 426.

What DFT should be achievable if paint with a volume solids content of 54% is applied to WFT of 135um? a. 65µm b. 72.9 µm c. 75 µm d. 82.9 µm

432. Which of the following would not be classed as a natural oil? a. Copal b. Tall c. Linseed d. Tung 437.

a. b. c. d.

Which of the following is added to paint to prevent settlement during storage? A plasticizer A Thixotropes A stabilizer None of the above

439. Which of the following is not considered as a ‘Laminar Pigment’? a. A Glass flake b. Mica c. Slate Flour

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Bgas Painting Inspector Certification Notes Part 1 2019 d. M.I.O. 448. Which of the following pigments have a leafing effect? a. Red lead. b. Titan dioxide. c. Glass flake. d. Glass bead. 452. Passivation describes the: a. Way in which a layer of paint giving high wear resistance is deposited onto a substrate: b. Chemical reaction between paint constituents and a substrate, which will inhibit corrosion of the substrate. c. Provision of a permeable layer of paint onto a substrate. d. Inhibition of a paint system utilizing corrosion protection principles 467. A paint with enough binder to encapsulate every pigment particle and to offer good cohesive properties is said to be: a. Below CPVC. b. Near CVPC. c. Above CPVC. d. A matt paint 469. Polymerization chiefly concerns which paint constituent? a. Binder. b. Pigment. c. Additives. d. Oxidants. 468. A chemical curing agent is used for: a. Liner polymerization. b. Coalescence. c. Branched polymerization d. Cross-linked polymerization.

Section 5 105. Paint is a a. Solution b. Solute c. Solvent d. Dispersion

237. Example for suspension a. Water Based Emulsion b. Oil Mixed With Water c. Salt Water d. Pigmented paint 255. Fineness of grind is a term used for a. Premixing b. Aggregate size c. Profile roughness d. PVC 384. Solids dispersed within a liquid with no solubility is a description of: a. Solution. b. Dispersion. c. An emulsion. d. None of the above.

Section 6 106. Which one is convertible a. CR b. Vinyl c. Natural Resin d. Emulsion 145 A Multi component paint dried by a. Solvent evaporation b. Oxidation c. Chemical reaction d. Coalescence 196. Which term is used when heat applied over 65 °C for Drying of Paint a. Metal Spray b. Air Drying c. Stoving d. Forced Drying 207. What is the approximate induction period of Chlorinated rubber a. 20 minutes b. 30 minutes c. 6-8 hrs d. Not Applicable

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Bgas Painting Inspector Certification Notes Part 1 2019 288. Example for Solvent evaporation drying a. Epoxy b. Alkyd c. Acrylic d. Urethane 451. A typical induction period would be: a. 6-8 hours. b. 20-30 minutes. c. 48 hours. d. Less than 1 minute

Section 7 20 Aluminium primer contains a. Zinc b. Phosphoric acid c. Natural resin d. Pickling 21. The gas in pipes, is much cooler than ambient temp and _ forms on pipes a. Condensation b. Profile roughness c. Zinc silicate d. Grease 22. Which material is used for above 151°C a. Chlorinated rubber b. Zinc silicate c. Phenolic resins d. Oils 70. Paint for damp surface a. solvent b. moisture cure polyurethane c. vinyl d. alkyds 121. can be applied when Relative humidity = 100% a. Epoxy b. CR c. Poly urethane d. Zinc Rich Epoxy

131. Which situation is expressed as damp surface a. Surface with detectable water b. Surface temperature below dew point c. Surface with a noticeable film of water d. Surface temperature above dew point 148. A single pack epoxy paint dry by a. Coalescence b. Chemical curing c. Oxidation d. Solvent evaporation 158. It is advisable to apply Moisture curing polyurethane by a. Airless spray b. Brushing c. Roller d. Padding 198 Which one is thermoplastic a. Poly ethylene b. Poly urethane c. Epoxy d. Natural Resin 200 What is the solution, if damage occurs to a galvanizing a. T Wash b. Zinc Rich Epoxy c. CR d. Water Borne Acrylic 238. Which paint is specified to use on repair areas of galvanising a. TSA b. Zinc Rich Epoxy c. Urethane d. Alkyd Resin 252. Example for paint involving barrier principle a. Zinc rich epoxy b. Zinc or aluminum c. Urethane d. Rust inhibitive primers 279. PVB Primers mainly used for a. All ferrous substrates b. Aluminium c. Galvanising d. Steel Substrates

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Bgas Painting Inspector Certification Notes Part 1 2019 372. What is the main working constituent of a mordant prime? a. Chromic acid b. Phosphoric acid c. Sulphuric acid d. Poly Vinyl Butirol 398. Rust inhibitive primers operate by: a. Oxidation to protect the substrate b. Pigmentation c. Passivation d. Direct encapsulation

Section 9

Section 8

201. Which mill widely used for producing thick paint a. Ball Mill b.Pearl Mill c. Triple Roll Mill d. Single Roll Mill 209. Which paint mill produce expensive materials a. Triple roll mill b. Single roll mill c. Sand mill d. Ball mill

66. alternate compliant system a. mid coat b. water borne paints c. damp surface d. final coat 128. Which one is a noncompliance? a. Coating with added thinners b. Coating which suitable with the requirements of the EPA c. Coating which suitable for the steel substrate d. Coating with non-recommended thinner 130. What is mean by compliant coating? a. Coating which applied in specified atmosphere condition b. Coating which suitable with the requirements of the EPA&COSHH c. Coating which suitable for the steel substrate d. Coating with non compliance report

24. Direct charge mill’s a. Ball mill & Attritor mill b. Single roll mill & Triple roll mills c. Ball mill & Sand mill d. Pearl mill & Colloid mill 107. Which one is not a direct charge mill a. Ball mill b. Attritor Mill c. Bead mill d. High Speed Disperser

210. High speed stone mill is another name for a. High speed disperser b. Pearl mill c. Colloid mill d. Attritor Mill 270. Which one is a direct charge mill a. Sand Mill b. Single roll mill c. Triple roll mill d. Attritor Mil 277. Which mills used for producing mastic and fillers a. Bead mill b. Ball Mill c. Attritor Mill d. Triple roll Mill 367. What type of equipment is used to produces, mastics, putties, and fillers? a. Sand mill b. Triple Roll mill c. Colloid mill

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Bgas Painting Inspector Certification Notes Part 1 2019 d. Attritor mill 405. Which of the following is NOT an example of a direct charge mill?

a. b. c. d.

A single roll mill A Ball mill An Attritor mill A high speed disperser

Section 10 25. Flash point determination need a. Density b. Indirect heating c. Direct heating d. Internal source 26. Density =? a. Volume/weight b. Volume/mass c. Gravity/weight d. Mass/volume 27. Unit of density a. poise b. Gm/cc c. stoke d. centi poise 28. Other device for density measurement a. Flow cup b. Krebs stormer c. Densito meter d. Kinematic viscosity 29. Specific gravity (or) relative density has units a. Gm/cc b. No c. some d. Seconds 30. Device for fineness of grind a. Eccentric wheel b. Rotothinner c. Conventional spray d. Hegman grind gauge 31. Device used for measuring the viscosity of thixotrophic paints a. Flow viscometer b. Comb gauge c. Rotational viscometer d. Eccentric wheel 32. Flow viscometer needs to measure a. Poise b. Seconds c. Stoke d. Density

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Bgas Painting Inspector Certification Notes Part 1 2019 204. If 11 Litres Paint Weighs 18 Kg then density = a. 1.8 gm/cm b. 1.6 gm/cm c. 1.1 gm/cc d. 1.6 gm/cc 81. Ford flow cup nozzle is made of a. Aluminum alloy b. Stainless steel c. Nickel d. Tungsten carbide 84. What will be the unit of viscosity of a Thixotropes paint a. Second b. Centipoises c. Ns/m2 d. Stoke 111. Mixing of two pack can be calculated by a. Pykno meter b. Closed Abel Cup c. Pyro meter d. Crypto meter 112. Approx viscosity of paint is a. 1 centi poise b. 1 stoke c. 2.4 Ns/m2 d. 1.2 gm/cc 216. is not a unit of viscosity a. Stoke b. Poise c. Littre d. Second 172.

flow cup can be used to check viscosity of hot paint

a. Ford b. Zahn c. ISO d. DIN 187. If Paint in a density cup weighs 135gm,Relative Density is a. 135 b. 13.5gm/cc c. 1.35 d. 1.35 gm/cc 205. Ford Flow cup made of a. Stainless Steel b. Aluminium Alloy

c. Mild Steel d. Glass Reinforced Plastic 206. When temperature increases, a. Viscosity increases b. Viscosity decreases c. Viscosity Stable d. Drying time increases 208. Stroboscope checks a. Rotation b. Polarity c. Potential d. Aggregate count 294. What is the specified temperature to do viscosity test? a. 100 °C b. 20 °C c. 25 °C at Seawater d. No Specified temperature 224. MDS shows a two pack paint density is1.35 gm/cc, when the density check completed it shows the density as 1.25.Which one is true a. Base Part is High b. Activator Part is High c. Mix ratio on MDS is incorrect d. Activator Part is Low 225. In which temperature Density,Viscosity etc tests of Paints done a. 20 ºC ± 0.5 ºC b. 37 ºC ± 0.5 ºC c. 100 ºC ± 0.5 ºC d. Temperature not affected 234. If 5 Liters Paint weighs 6.75 Kg, Density is a. 0.74 gm/cc b. 0.74 c. 1.35 gm/cc d. 1.35

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Bgas Painting Inspector Certification Notes Part 1 2019 254. If 7.5 Liters Paint weighs 9.75 Kg, Relative Density is a. 13.0 gm/cc b. 13.0 c. 1.30 gm/cc d. 1.3 365. Which of the following is not another name for the Density surfaces? a. Pyknometer b. Psychrometer c. Weight per gallon cup d. Weight per liter cup 376. The viscosity of water is said to be approximately: a. 1 g/cc b. 1 poise c. 1 stoke d. 1 centi-poise 423. A device used to measure the degree of dispersion of paint is called: a. A gloss meter b. A crypto meter c. A paint inspectors gauge d. A Hegman grind gauge 438. Which of the following can be used to measure viscosity? a. A pyknometer b. An aspirated Psychorometer c. An ‘Abel’ closed cup d. A Zahn Cup

a. b. c. d.

Beck-koller Hegman gauge Wolfe-Wilborne Krebs-Stormer

388. A paints viscosity is checked at controlled temperature in order to: a. Promote the correct paint flow. b. Warm up the paint to get it to flow. c. Keep the weight standard. d. Promote uniformity of the test.

454. Density is defined as weight per unit: a. Area. b. Capacity. c. Volume. d. Content. 455. An instrument used to measure paint density is a: a. Ford Flow cup. b. Relative density cup c. Set of scales. d. Closed cup tester. 481. What units is relative density expressed in? a. Kilogram’s per cubic centimeter b. Gram’s per liter c. Gram’s per cubic centimeter d. There are no units for relative density

356. Viscosity is defined as? a. A fluid’s resistance to flow b. A liquid’s thickness c. The temperature at which a liquid will flow d. The point at which a liquid becomes solid 360. What is the specified temperature at which a Flash point Determination test must be carried out? a. 200C b. Up to 450 0C c. There is no specific temperature d. 25 0C in seawater 374. Name of the equipment used for opacity also Technical Training Services-Al Jubail-KSA Contact me for Answers and other notes for Bgas ([email protected] +966571884471)

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Bgas Painting Inspector Certification Notes Part 1 2019

Section 11 33. The concentric outer rims of eccentric wheel rotated a. Perpendicular b. Circumference c. Not rotated d. Longitude 34. Plastic shim -banana gauge a. Electrically insulated b. Metel piece c. Magnetically insulated d. No use 35 Device used for adhesion test a. Flow cup b. Cross cut test c. Eccentric wheel d. Hegman grind gauge 42. Gold leaf test a. Detect moisture b. Residual tack c. Covering power d. Seconds 43. Flexibility equipment is a. Ferromagnetic substrate b. Conical mandrel 3-37mm dia c. conical mandrel 37-73mm dia d. Accuracy 44. Foreman’s gauge accuracy quoted a. + 15% b. + 1.5% c. + 12% d. + 5% 54. What WFT would be needed, for 50 microns DFT using a paint with a VS% of 65% ? a. 90 microns b. 76.92 microns c. 45.03 microns d. 59 microns 73. VS% relate to a. Volatile b. Non volatile c. Total Paint volume d. Activator

80. What is the actual DFT ,if banana gauge shows 335um when checked on galvanizing a. 335um b. 265um c. 235um d. 435um 83. Dolly test used to check a. Hardness b. Flexibility c. DFT d. Adhesion 85. How to use comb gauge on a pipe a. Perpendicularly b. Circumferentially c. Longitudinally d. Not possible 86. If the required DFT is 50um ,then the particle size in the paint should be a. 50um b. Above 50um c. Below 50um d. All the above 146. Biscuit Gauge is another name for a. Hegman’s grind gauge b. Surface Comparator c. Banana Gauge d. Comb Gauge 217. Which type of Comb gauge is not available a. Square b. Circle c. Triangular d. Rectangular 276. Indentor test can be used to check? a. EPA ( Environment Protect Act) b. IGE / TD / 05 c. BS 7079 d. IGE SR 21 309. What is the volume of paint required to cover a circular area of 15 meters radius, if the material has WFT of 176um:

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Bgas Painting Inspector Certification Notes Part 1 2019 76.38 L 124.34 L 214.34 L 31.08 L HATE is an abbreviation of what? Heat Affected Tension Expansivity Hydrogen Arc Treatment Affect Hydraulic Adhesion Test Equipment Humidity Affected Temperature Evaluation 362. What diameter is the conical mandrel, is used in the flexibility test? a. 8 mm to 25 mm b. 12mm to 18mm c. 5mm to 50mm d. 3mm to 37mm 369. Which drying test involves the use of small glass beads? a. Wolf wilborne b. Ballotini c. Koeing Albert d. Beck Kolle

413.

370. Which of the following is not an adhesion test? a. Cross Hatch b. Gold Leaf c. HATE d. Dolly test 371. What factors affect Gloss? a. Resin type, Solvent type, Paint application technique b. Refractive index, pigment color, DFT c. Pigment size, CPVC, resin type, angle of light incidence d. Pigment size, resin type, Paint color

433.

a. b. c. d. 357. a. b. c. d.

373. What would be the main problem of a low CPVC? a. High opacity b. Permeability c. Low Gloss d. Low opacity 392. An additive that gives a paint material its ‘opacity’ is: a. A plasticizer b. A Thixotropes c. A stabilizer d. A pigment

Dry film thickness assessment of a paint film containing M.I.O can be carried out:

a. Using a Tinsely pencil fill thickness gauge b. By use of a calibrated eccentric wheel c. By readings taken using the paint Inspections Gauge d. By using a banana gauge 429.

a. b. c. d.

a. b. c. d. 434.

a. b. c. d.

Minimum WFT and DFT recommendations for paint application, and advice on the addition of thinners etc, can be found: On the label of paint containers In the project specification On the manufacturer’s product data sheet In BS 7079 part A Dry film thickness measurement using a banana gauge can be carried out on the following: Zinc galvanized surfaces which have been painted Painted aluminum substrates Any paint containing MIO pigments None of the above For the WFT measurement of a non-ferrous coating on a carbon steel pipe, which of the following methods would be acceptable? Banana gauge Eccentric wheel used longitudinally Comb gauge used longitudinally Comb gauge used circumferentially

###.

For the WFT measurement of a non-ferrous coating on a carbon steel pipe, which of the following methods would be acceptable? a. Banana gauge b. Pencil Gauge c. Eccentric wheel used longitudinally

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Bgas Painting Inspector Certification Notes Part 1 2019 d. Eccentric wheel used circumferentially 436. Plastic shims are used in the calibration of banana gauges because: a. They are magnetically insulated b. They can provide a reproducible thickness c. They are considered accurate d. All of the above 440. A paint said to possess low opacity will: a. Have low permeability b. Have low hiding power c. Contain laminar pigments d. Have a minimum gloss value 441. The equipment used to measure the hiding ability of paint is called: a. A reflectometer b. A grind gauge c. A psychrometer d. A Cryptometer 445. What volume of 100% VS paint would be required to coat the external shell of a storage tank (19 meters diameter and height of 8 meters), to a WFT of 175um? e. 52.34 liters f. 98.59 liters g. 83.57 liters h. 107.87 liters 456.

a. b. c. d.

368. What WFT should be measured, if a coating of BB um DFT is required with a 66% VS paint? a. 158 μm b. 75 μm c. 58 μm d. 133 μm 391.

a. b. c. d. 406.

a. b. c. d.

What is the volume of paint required to cover a circular area of 15 meters radius if the material has a specified WFT if 176um? 76.38 liters 124.40 liters 214.34 liters 312.56 liters A test that uses glass beads to confirm the drying time of paint, is called: The Gold leaf test The Stylus test The Ballotini test The crypto meter test

461. A paint said to have ‘good opacity’ will: a. Have low permeability b. Have good hiding power c. Have a low CPVC d. Have a low minimum gloss value

‘Aerobic conditions’ would refer to the highest proportion of which of the following? Hydrogen Oxygen Nitrogen Water

363. Which of the following is not a drying test? a. Ballotini test b. Beck-Koller Stylus test c. Wolff-Wilborn test d. Cross hatch test

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Bgas Painting Inspector Certification Notes Part 1 2019 119. ____ not a destructive test a. PIG b. Saberg Thickness Drill c. Koenig Albert d. Horse Shoe 147. Gold leaf test is used for a. Adhesion b. Drying c. Residual tack d. Dust detection 149. Pull of Adhesion is a term associated with a. Tinsley pencil b. Banana Gauge c. HATE d. Dolly Test 162. A Non Destructive test can be done a. When substrate contain MIO b. When substrate is non ferromagnetic and coating is Ferro magnetic c. When substrate is Ferro magnetic and coating is Ferro magnetic d. When substrate is ferromagnetic and coating is non Ferro magnetic 183. If a comb gauge show 120-140 µm ,then the actual DFT is a. 120 um b. 130um c. 140 um d. 120 / 140 um 223. Graticule scale is a part of a. PIG b. Hegman Grind Gauge c. Eccentric Wheel d. Tough type Pfund Crypto meter 236. Advantage of eccentric wheel for WFT measurement is a. Correct DFT can be calculated from result b. Permanent record c. No other method for curved surface d. Can be used for metal spray method 259. What result will get by Temperature Cycling test a. Cracking b. Blistering c. Chalking d. Discoloration

260. Why an inspector use PIG Gauge a. When substrate is non ferromagnetic and coating is non Ferro magnetic b. When substrate is non ferromagnetic and coating is Ferro magnetic c. When substrate is Ferro magnetic and coating is Ferro magnetic d. When substrate is ferromagnetic and coating is non Ferro magnetic 291. Which of the following is not a drying test? a. Ballotini test b. Beck Koller test c. Wolff Willborn test d. Cross hatch test 299. The Pencil Hardness Tests is used to determine which of the following? a. Scratch hardness of a coating b. Adhesion of a coating c. Abrasion resistance of a coating d. Indentation hardness of a coating 306. Which of the following tests would be performed to determine the adhesion of a coating? a. Pendulum rocker b. Pull off Tape c. Falling sand d. Taber abraser 308. Which property of paint is begin assessed by a v-cut test? a. Prohesion. b. Ad hesion. c. Flexibility. d. Toughness 345. A Banana gauge works on which principle: a. Magnetic resistance b. Conductive resistance c. Tension reluctance d. Viscosity relativity

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Bgas Painting Inspector Certification Notes Part 1 2019

Section 12 36. When will use hygrometer a. Measure evaporation rate b. Flash point c. Air temperature d. Adhesion 37. In whirling hygrometer, what first temperature will you note a. Humidity b. Dry bulb temp c. Wet bulb temp d. Both measured 64. paint shall be normally applied when RH a. above 180 % b. above 90 % c. below 180 % d. below 90 113. Air temperature can be calculated by a. Hygro meter b. Thermo stat c. Limpet gauge d. Strobo scope 199. Steel temperature can be measured by a. Psychro meter b. Limpet Gauge c. Thermo meter d. Horseshoe gauge 222 Pyro meter is an instrument to check a. Adhesion b. Hardness c. Steel Temp d. Density 352. Dew Point is defined as: a. The temperature at which water vapor in the air will condense b. The temperature at which paint can be applied c. The temperature of the steel d. The temperature at which cross linking will commence 359. What is the recommended speed at which a whirling Hygrometer must travel through the air? a. 4 meters per second

b. 2 meters per second c. 5 Km/hr d. 100 meters per minute 354. Relative Humidity is defined as? a. The amount of water which is in the air at 25៓C, in sea water b. The amount of water present in the air, expressed as a percentage of water that could be in the air at that temperature c. The temperature at which water vapour will condense d. Dry bulb temperature measured against Wet bulb temperature 358. When using a whirling Hygrometer, the wet bulb temperature: a. Should always be read last b. Will be above the dry bulb temperature c. Should always be read first d. Is always the dew point 381. The whirling hygrometer is used to determine: a. Relative humidity. b. Dew-point . c. Temperature. d. Air pressure. 476. A touch pyrometer is used for measuring: a. Relative humidity b. Air temperature c. Wind speed d. Metal temperature 394. Dew point is defined as: ‘the temperature at which the water vapour present in the Air: a. Will evaporate b. Will condense c. Will dry d. Will cause osmotic 476. A touch pyrometer is used for measuring temperature of: a. Steel surfaces b. Non-ferrous surfaces c. Damp surfaces d. None of the above

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Bgas Painting Inspector Certification Notes Part 1 2019

Section 13 38. In impressed current system, national grid connected to a. Positive b. Ground c. Direct charge d. Indirect 134. used to detect the voltage in Impressed current system a. National Grid b. Transformer Rectifier c. Copper/Copper Sulphate half-cell electrode d. Sodium Chloride 174. Wich solution is used for cathodic Disbondment test? A.Slightly acidic liquid b. Salt water c. Alkaline liquid d. Distilled water 233. Copper/Copper sulphate half-cell electrode is used to a. Monitor CP Voltage b. Supply current for CP c. Detect Millscale d. Rectify AC to D 350. Which two materials are commonly used as sacrificial anodes? a. Copper and Tungsten b. Aluminum and Graphite c. Zinc and Aluminum d. Lead and Tin 474. Three metals used in cathodic protection as sacrificial anodes are: a. Zinc, lead, aluminum b. Zinc, magnesium, aluminum c. Lead, zinc aluminum d. Manganese, copper, lead

Section 14 51. Coating thickness above 0.5 mm , it Would be necessary to use a. Conical mandrel b. Wet sponge pinhole detector c. Toxicity d. High voltage holiday detector 52. For DFT 300-500 microns, voltage preffered setting is a. 9 V b. 300 V c. 90 V or 67 ½ V d. 60 V 53. Wet sponge Pinhole detection operates upto a. Above 500 microns b. Less than 600 microns c. Less than 500 microns d. Above 625 micron 307. In FBE coatings greater than 20 thou thickness, holidays are detected using which of the following? a. Wet sponge holidays detector b. Low voltage holiday detector c. High voltage holiday detector d. Low voltage DC holiday detector 399. The correct voltage setting for a wet sponge detector:

a. b. c. d.

9 Volts 67.5 Volts 90 Volts 125 Volts

473. When using a wet sponge, a tiny amount of detergent should be used for: a. Cleaning b. Reducing surface tension c. Preventing electrical shock d. Degreasing the surface 478. When a holiday detection is specified it is done: a. After the final curing of paint b. Before the drying of paint c. Before the final curing of the paint d. After surface preparation

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Bgas Painting Inspector Certification Notes Part 1 2019

Section 15 39.

Must not be used in B-gas site Brush Roller Airless spray Spray 40. Makes shearing action a. Conventional spray b. Roller c. Brush d. Spray 154. In Electrostatic spray, The thickness of paint as controlled by a. Time used to spray b. Velocity of the particles c. Voltage d. Degree of dispersion 160. Which paint application have “Insulation” effect a. Airless Spray b. Remote Pressure pot c. Dip coating d. Electrostatic spray 180. What is the total DFT thickness of compliant epoxy based paint a. 325 µm b. 225µm c. 265µm d. 365µm 181. Which term is not relate with binder a. VOC b. Film former c. Vehicle d. Non volatile 221. Spray tip with adjustable aperture size known as a. Carbide b. Venturi c. Titan d. Taber 226. If metal spray applied on a thin steel plate , a. Plate should not be heated b. Plate should be preheated c. Plate should be post heated d. Cannot be applied 244. Which application method provides uniform film thickness a. b. c. d.

a. Stripe coat b. Airless Spray c. Conventional spray d. Electrostatic spray 264. Which application method provides uniform film thickness a. Stripe coat b. Airless Spray c. Conventional spray d. Electrostatic spray 194. If an airless spray pump ratio 35;1 delivery pressure 2800.howmuch the inlet pressure a. 100psi b. 90psi c. 80psi d. 70psi 195. How atomization is achieved in conventional spray a. Two air channels outside the nozzle b. Air pressure applied before nozzle c. Paint forced at high pressure d. Hydraulic pressure 218. Which application method used to apply paints on damp surface a. Brush b. Roller c. Airless Spray d. Dip coating 220. Which application greatly reduce pinholes a. Brush b. Spray c. Aerosol d. Roller 284. The relevant paint application Information for any particular paint product such as paint spray tip sizes, pressure recommendations etc. are generally found:

a. On the paint containers. b. In the project specification. c. On the product data sheet. d. In the British Standards. 390. Most tips used on airless spray equipment are “Reversible”, that is so that:

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Bgas Painting Inspector Certification Notes Part 1 2019 a. Tip Life is prolonged b. Costs can be kept down c. Blockages can be cleaned d. All of the above 375. The main difference between Airless and conventional spray is: a. Conventional spray gives better deposition rate b. conventional spray gives less waste c. Airless spray gives better quality finish d. Conventional spray gives better atomization 479. Excellent application rate is an advantage of painting by: a. Roller b. Brush c. Electrostatic gun d. Airless spray

Section 16 41. Thickness of galvanising a. 200 microns b. 100 micron c. 125 microns d. 30-75 microns 50. Component coating with zinc, thickness a. Approximately 150 microns b. 60 microns c. Approximately 100 microns d. Approximately 425 microns 144. At which temperature aluminum melts a. 100 °C b. 240 °C c. 425 °C d. 625 °C 185. Nuts and Bolts can be coated by a. Calorising b. Galvanising c. Sheradizing d. Anodising 286. Metal sprayed surfaces can be sealed with a. Phenolics b. Silicones c. Cellulose Resins d. Vinyl 125 If coating is subjected to high temperature services, surfaces can be sealed with: a. Phenolic b. Silicones c. Cellulose Resins d. Vinyl 400. A newly galvanized substrate has a surface:

a. Where a cohesive oxide layer has not been formed, and which exhibits a dull appearance lacking in metallic sheen b. On which a cohesive oxide layer has been formed and which exhibits a dull appearance lacking in metallic sheen Technical Training Services-Al Jubail-KSA Contact me for Answers and other notes for Bgas ([email protected] +966571884471)

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Bgas Painting Inspector Certification Notes Part 1 2019 c. Where a cohesive oxide layer has not been formed, showing a bright metallic sheen d. Where a cohesive oxide layer has been formed, showing a bright metallic sheen

Section 17 5. Following Picture is of

a. Cu slag b. shots c. garnets d. metallic grit 55. Below defect Picture is of

a. Cissing b. Bittiness c. Cracking d. Roppiness 56 . Below defect Picture is of

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Bgas Painting Inspector Certification Notes Part 1 2019 d. Orange peel

60. Below defect Picture is of

57 . Below defect Picture is of

a. b. c. d.

Cissing Bittiness Sagging Flaking

a. b. c. d.

Ropiness Flaking Cissing Wrinkling

61. Picture is

58. Below defect Picture is of

a. b. c. d.

Wrinkling Flaking Cissing Sagging

59 . Below defect Picture is of

a. b. c. d.

Ropiness Flaking Run & Sag Cracking

a. Ropiness b. Flaking c. Run-Sag d. Cracking 76. Which coating fault occurs when over thinning a paint a. Pinholes b. Run c. Spot rusting d. Hair cracking 77. Which fault relate to Peeling a. Orange peel b. Flaking c. Wrinkling d. Cracking 79. Which fault can be avoided when bitumen removed from paint system a. Bittines b. Blistering c. Cracking d. Bleeding

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Bgas Painting Inspector Certification Notes Part 1 2019 117. Which fault happens when over apply zinc silicate a. Sagging b. Run c. Mud cracking d. Holidays

d. Hygroscopic salt 114 Chalking occurs due to a. Coating age b. Weathering c. Shelf life problem d. Hygro scopic salts

118. Lifting of coating material from surface is a. Wrinkling b. Lifting c. Flaking d. Mud cracking 127. Bittiness fault can be happened by a. Millscale b. Soluble Salts c. Uneven Profile d. Contamination 152. A coating fault which resembles holidays a. Checking b. Cratering c. Crazing d. Cissing 155. Over thickness of Zinc silicate cause a. Sagging b. Mud Cracking c. Curtaining d. Cohesive failure 170. Ropiness is fault look like a. Roller Stiple b. Rivelling c. Brush Marks d. Blisters 179. Which one is not a Paint fault a. Grinning through b. Efflorescence c. Cracking d. Bittiness

232. Painting on contamination, is a reason for a. Osmotic blister b. Bittiness c. Un even profile d. Chalking 449. Epoxy paints exposed to sunlight are susceptible to: a. The color – fading. b. Chalking. c. Cracking. d. Wrinkling. 471. Lack of observance of the stated over coating time is the main cause of: a. Lifting. b. Wrinkling. c. Bleeding. d. Flaking

249. Which coating fault will look like discoloration a. Chalking b. Bleeding c. Cissing d. Curtaining 292. What is the reason for spot rusting? a. Surface contamination b. Millscale c. Rogue peak

382. Too thick an application of an inorganic zinc coating often results in: a. Cissing. b. Wrinkling. c. Lifting. d. Mud-cracking 472. Bittiness is usually caused by: a. The paint lacking viscosity b. The paint being too viscous c. Contamination on the substrate d. Poor application 482. Application of metal spray can be done by: a. Wire and pistol, electrical arc b. Powder, electrical arc, wire and pistol c. Rolling, wire and pistol, electrical arc d. Wire and pistol, electrical arc, sherardising 483. Oxidizing paints are vulnerable to: a. Wrinkling b. Lifting c. Orange peeling d. Flaking

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Bgas Painting Inspector Certification Notes Part 1 2019

Section 18 48. IGE SR 21 a. Schedule of paint color’s for building purposes b. Code of practice for safety during blast cleaning operations. c. Preparation of steel substrate d. Specifications for test sieves 49. Lightness is identify by _____ in BS 4800 color system a. Numbered b. Blue c. Capital letters A-E d. Codings 166. In colour attributes, Brightness also referred by the term a. Chroma b. Intensity c. Value d. Weight 169. RAL number represents a. Batch Number b. Thinner Code c. Colour Code d. Solvent Code 235. Colour Brightness can be specified by the term a. Chroma b. Intencity c. Weight d. Reflectance value

b. By numbers 01-56 c. By letters A-E d. By letters E-M 387. Paint systems shall be finished off with a full gloss finish a. In accordance with BS 4800. b. As specified by the contractor. c. That is compatible with the underlying coats d. To give a nice bright color 463. How is the ‘lightness’ of a color identified in BS 4800? a. By numbers 02-24 b. By numbers 01-56 c. By letters A-E (A is Max. and E is MIN.) d. By letters EM (A is MIN. and E is Max.)

Section 19 a. b. c. d.

45. Dragger tube and bellow monitors_________of air Humidity Toxicity Opacity Flexibility

136. In dragger tube number specified is n=5, what is RAQ a. 500 ppm b. 5 rpm c. 500 cfm d. 500 cc

361. What are the 3 attributes, which make up the color of paint? a. White, Black, and Color b. Hue, Brightness and Saturation c. Red, Yellow, and Blue d. Contract, Density, and Definition 408. How is the “Brightness” of a color identified in BS 4800?

a. By numbers 0-24 Technical Training Services-Al Jubail-KSA Contact me for Answers and other notes for Bgas ([email protected] +966571884471)

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Bgas Painting Inspector Certification Notes Part 1 2019 189. Which warning symbol represents Toxic

Section 21 a. b. c.

a

b

c

d

133. Who is having duty of Safety on a Working site a. HSE (Health & safety executive) b. Contractor c. Engineer d. Employees 364. RAQ is an abbreviation of what? a. Required Adherence Quota b. Repair Area Qualification c. Required Air Quantity d. Required Acceptance Quality

Section 20 a. b. c. d.

197. The following is not an information of Daily report sheet Dew point Relative Humidity Relative Density Air Temperature

290. Which of the following is regarded as the duty of painting inspector ? a. Record Dew point ,RH and Monitor addition of thinners b. Check surface profile ,cleanliness and make choice of paint colour c. control of abrasive type, blasting pressure and selection of workers d. control of paint storage ,appearance of finish ,and painters time sheet

d.

46. BS 1710 Method of test for paints Prepration of steel supstrate Specification for identification of pipelines Code of practice for safety during blast cleaning operations.

139. PA 10 specification is suitable for use in the following area: a. Onshore installations b. offshore installations c. internal coatings of pipes d. below ground (buried) 213. Transco Specification PA9 Specifies a. New and Maintenance painting at work and site for AGI b. Paint Properties and Performance c. Internal coating of steel small bore pipe d. Preparation of steel substrate before application of paint 219. What is BS 4800 specifies a. Colour co-ordination b. Specification of abrasive size sieves c. Methods of test for paints d. Glossary of paint and related terms 251. How many cleaning grades available by using hand and power tools according to BS 7079: a. b. c. d.

14 6 4 16

159. IGE SR 21 is associated with a. Gas Plant Manufacture b. Handling of Methanol c. Abrasive Blasting Safety d. Using of Sand Abrasive

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Bgas Painting Inspector Certification Notes Part 1 2019 182. Internal coating of pipeline come under a. PA7 b. PA8 c. PA9 d. PA10 227 BS 7079 does not contains a. Rust Grades b. Blast Grades c. Hand and Power tool Grades d. Salt tests on Substrate 332. The BGas specification for site application of paint system is: a. BGC/PS/PA10 b. BGC/PS/CW5 c. BGC/PS/PA8 d. BS 7079 379. Paint System: Properties and Performance Requirements, as detailed in PA9, paint testing is mostly carried out according to which British Standard? a. BS 729 b. BS 5493 c. BS 3900 d. BS 6072 310. How many cleaning grades available by using power tools according to BS 7079: a. 14 b. 06 c. 04 d. 16

Section 22 a. b. c. d.

47. Specification is A specify way to perform an activity A document providing binding legislative rules that is adopted Document established by consensus The document that prescribes the requirement with which the product

Section PA10

402. Which British standard covers the color coding of pipe work? a. b. c. d.

BS 5493 BS 1710 BS 6072 BS 3900

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Bgas Painting Inspector Certification Notes Part 1 2019 62. if you find contractor using REcrushed CU slag a. continue the work b. report to client c. stop the work and report to engineer d. no problem 63. if you find dust in painting a. continue the work b. clean, reblast, recoat c. measured dft d. apply coatings 65. the paint must overlap minimum a. 100 mm b. 65 mm c. 120 mm d. 90 mm 67 table spa 1e –i) solvent based microns (4 coat) a. 260 b. 220 c. 265 d. 225 68. table spa 1e –ii) water borne acrylic microns (4 coat) a. 240 b. 225 c. 261 d. 255 69. surface finish need for damp surface (spa 4a) a. sa 1 b. sa 2 c. sa 2 1/2 d. sa3 141. Who is having permission to change a specified paint system a. Paint technologist b. Painting inspector c. Engineer d. Contractor

142. Which surfaces comes on hot duty surfaces a. Metal surfaces attaining a temperature above 340°C b. Metal surfaces attaining a temperature above 100°C c. Metal surfaces attaining a temperature above 37°C d. Metal surfaces attaining a temperature above 540°C 153. Which grade of surface preparation required for hot duty surfaces from above150 °C a. Sa1 b. Sa2 c. Sa2½ d. Sa3 163. Which one is not included in non ferrous substrate a. Stainless steel b. Mild steel c. New Galvanising d. Weathered Galvanising 165. What is the approximate overlap area in painting a. 100 mm b. 100 cm c. 10mm d. 100 um 230. Which blasting is suitable for nonferrous substrates a. Thorough abrasive blasting b. Sweep blasting c. Sa2½ d. Not Applicable 245. Which paint is more suitable for hot duty surface above 150ᵒ C a. Zinc Silicate b. High Solid Epoxy c. Urethane d. CR 246. Which surface preparation is used for weathered galvanising a. Sweep Blast b. Stiff Bristle Brushing c. Through Blast d. Sa2½

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Bgas Painting Inspector Certification Notes Part 1 2019 253. According to Transco, an Engineer is a. Appointed by a contractor and notified in writing to client b. Appointed by Client and notified in writing to contractor c. Responsible for coating and records d. Higher authority 349. Abrasive used on site for British Gas projects must be: a. Mixed with sand, to reduce cost b. Stored correctly prior to use c. Expendable d. Used up to a maximum of three times only. 366. Which product should be used on damp or moist surfaces? a. Water borne acrylic b. Thermally Sprayed Aluminium c. Moisture Curing Polyurethane d. Micaceous Iron oxide 389. The person or organization responsible for the safe disposal of waste products from site is the: b. Contractor’s foreman. c. Site engineer. d. Contractor. e. Blockages can be cleaned 395. As defined by National Grid / Transco, the Engineer is the person on the site who is: a. Appointed by a contractor and Notified in writing to a client b. Appointed by a client and notified to a contractor c. Responsible for compiling site records d. Delegates the compilation of site records to a contractors 396. Which of the following substrates are not dealt with in table SPA6 of PA10? a. b. c. d.

Concrete Stainless Steel Galvanized Surface They are all dealt with under that section

401.

What are the total paint system DFT requirements for the 2 preferred systems in table SPA le of PA10:

a. b. c. d. 403.

255 and 225 microns 265 and 235 microns 265 and 225 microns 225 and 325 microns

In accordance with PA 10 table SPA 3c, where T.S.A or I.Z.S have been used as the preferred coating for surfaces operating above 340៓C:

a. They should be cured by a chemical reaction b. The coating must be immediately heated to 340៓C c. They should be sealed with polysiloxane inorganic coating d. They must be farther protected by the application of silicon sealer 410. The most common type of thermally sprayed material for hot duty applications is:

a. b. c. d.

Zinc Graphite Silicon Aluminum

412. Where defect removal has been carried out, the areas concerned shall be:

a. b. c. d. 414.

Sprayed Re-blasted Separately primed Brush painted In accordance with PA 10 section 32, Paint application by roller, is:

a. Not allowed b. Highly desirable for large areas c. Only to be used for primer coats on blast cleaned surfaces d. Not recommended 431. All surface breaking laminations observed on a substrate shall be: a. Reported to the welding inspector immediately

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Bgas Painting Inspector Certification Notes Part 1 2019 b. Removed by chipping Hammer under the supervision of blasting foreman c. Removed by grinding with the agreement of the engineer d. Removed by sharp edged scraper with the permission of the safety manager 457. ‘Wet Abrasive’ blast cleaning of a surface should be followed by ‘Dry’ abrasive blast cleaning: a. Only as directed by the engineer b. To remove the surface profile created by the wet process c. Because the immediate oxidation of the substrate after wet blasting must be removed d. Does not need to be carried out if water sensitive paint systems are used 460. Which type of heat-cured sealer is commonly used to further protect coatings on hot duty surfaces, operating above 340°C? a. An MIO sealer. b. A carbon sealer. c. A silicon sealer. d. A silicate sealer.

138. A primer used for pretreatment for zinc metal surfaces. a. Zinc rich epoxy b. T.Wash c. FBE d. Zinc Phosphate 140. After applying primer on steel surface, Paint got wetted by raining. As a painting inspector what you do?

a. Wait for water to dry b. Blast to remove existing primer, recoat c. Continue next stage after rain d. Recoat primer without removing existing coat 157. According to Transco PA10,which metal spray not required a sealer a. TSA b. Polysiloxane Inorganic Coating c. Poly Vinyl Buterol d. Inorganic Zinc Silicate

Unknown MCQ’s 132. Which information is not available in MDS a. Flash point b. Dew point c. VS% d. Recommended Thinner 137. A Galvanized substrate with oxide layer has formed called a. New Galvanising b. Weathered Galvanising c. Unsuitable galvanizing d. Previously painted Galvanising

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Bgas Painting Inspector Certification Notes Part 1 2019 167. What is the minimum time for over coating a. 30 Minutes b. 4 Hrs c. 12 Hrs d. 24 Hrs 184. De-lamination is a fault occurs when using a. Epoxy b. CR c. Micaceous Iron Oxide d. Poly Urethane 188. Which paint from below, can be applied over Phenolics a. CR b. Epoxy c. Alkyd d. None of these 190. If more pigments added in a paint, then the surface should be a. Gloss b. Matt c. Grinning d. Fast Drying 211. Which paint is not suitable for EPA a. Water borne b. High volume solid c. Solvent Based d. Solvent free 212. By which polymerization method a 2 pack epoxy paint dry a. Cross linked Polymer b. Branched Polymer c. Solution Polymer d. Linear Polymer 214. Which term cannot be used for solid particles in binder a. Aggregates b. Emulsion c. Degree of dispersion d. Fineness of grind 215. Which one is more suitable for CR paint to increase flexibility a. Alkyd resin b. Linseed oil c. Bentones d. Coconut oil

239. Which binder have no problem to overcoat on white spirit based binder a. Alkyds b. Epoxy c. CR d. Natural Resin 257. RAQ is an abbreviation of a. Required Area Quantity b. Repaired Area Quality c. Required Air Quantity d. Report and Quality Record 282. Which one is a non compliance? a. Coating with added thinners b. Coating which suitable with the requirements of the EPA c. Coating which suitable for the steel substrate d. Coating with non recommended thinner 278. Which paints are not recommended by EPA a. Solvent free b. High VS c. Low VS d. Water Borne 296. Safety consideration associated with abrasive blast cleaning is specified by? a. EPA ( Environment Protect Act) b. IGE / TD / 05 c. BS 7079 d. IGE SR 21 297. Which person on site is responsible for site safety a. Painting Inspector b. Site Safety Officer c. Contractor d. All Employees 298. Thermal spray coatings method may expel a VOC of a. 100% b. Near 75% c. Near 50% d. 0% 316. Profile thickness is higher than specified, the result will be:

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Bgas Painting Inspector Certification Notes Part 1 2019 a. b. c. d. 383.

a. b. c. d. 409.

a. b. c. d. 411.

a. b. c. d.

Rash rusting Cause Paint adhesion Blisters Mill scale Where paint particles fall outside of the spray pattern, resulting in a dry, flat, pebbled appearance, this is known as: Orange peel – flocculation. Dry spray – over spray Flotation – flocculation. Over spray – floatation, The relevant paint application information for any particular paint product, such as paint spray tip sizes, pressure recommendations etc. are generally found:

On the paint containers In the project specification On the product data sheet In the British standards All mechanical damage, such as surface laminations and sharp edges, observed on a substrate should be:

Immediately removed by careful grinding Carefully removed by means of ‘spark-free’ power brushes Reported to the site engineer, for his assessment They will be normally be removed during the blasting operations

422. Damp surfaces are defined as those: a. On which standing water is present b. Having no standing water but exhibiting a noticeable film of water c. On which there are no visible signs of water but have a surface temperature more than three degrees below dew point d. On which there are no visible signs of water but have a surface temperature below dew point

428. The average thickness of new galvanizing is: a. 75 microns b. 100 microns c. 25 microns d. Dependent on the end use of the structure 430. A common system for applying ‘Powder Hot Metal Spray’ coating is: a. Conventional spray ‘gravity cup’ b. A gun containing fuel gas, oxygen and compressed air c. High pressure airless spray system d. Plural component pumps and gun 453.

Etch primers are no longer the preferred choice for some paint applications because they are: a. Too time consuming to apply. b. Considered too dangerous to apply. c. Usually too high in volatile organic content. d. No Longer considered effective. 465. The maximum relative humidity for painting/coating application is: a. 85% b. That specified by the manufacture for the produced concerned. c. Over 907°. d. 90 % 480. A manufacture’s paint container can be used with: a. Airless spray b. Conventional spray c. Electrostatic spray d. All of the above

The End There are total 36 pages in Part 1

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