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QA/QC QA/QC QUESTION (CIVIL): NO.1 1. What is the design strength of precast & prestressed Concrete at 28 days?
2. What is the Maximum Cement Content of Structural Concrete?
3. What is the Compaction percentage of Cohesive fill Under footing,Grade beam,Mats,Building and processing area? (70 %, 80%, 90%)
4. What is the Maximum water cement ratio of precast & prestressed? (0.6%, 0.7%, 0.4%)
5. How many Percentage of Silica fume Content as Cement replacement based by weight? (7 - 10 %, 5 - 7 %, 8 - 12 %)
6. The Select fill Material Shall be used with in bottom elevation of foundation? (0.4 m, 0.6 m, 0.15 m)
7. What is the Thickness of Plasticized sheet Vapour barrier? (0.25 mm, 0.10 mm, 0.15 mm)
8. What is the TDS (Total Dissolved Sold) in curing water? (500 ppm, 1000 ppm, 10000 ppm)
9. What is the percentage of Specified strength of Concrete reached after 7 days? (50 %, 70 %, 80 %)
10. What is the Self temparature of Concrete? 0
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(40 c, 55 c, 32 c)
QA/QC QA/QC QUESTION (CIVIL): NO.1 11. Redy mixed Concrete Mixure Drum has revolved after the Indroduction of Mixing to the water, Cement and aggregate? (350 times, 300 times, 450 times)
12. How many cubic meter frequency of not less than strength test in Concrete will be Checked? 3
3
3
(200 M , 125 M , 115 M )
13. Concrete paving shall have Construction joints Located at Maximum how many meters? (8 M, 6 M, 9 M)
14. What is the top of Concrete Foudation shall be minimum above finished Grade? (125 mm, 175 mm, 150 mm)
15. Which Material is used for Anchor Bolt & embedded item shall be setting in Structure? 16. Minimum Clear distance from Anchor Bolt sleeve to edge of Concrete how much? (150 mm, 125 mm, 100 mm)
17. What is the Tensile stregth of hot rolled high tensile deformed steel? (36 Mpa, 50 Mpa, 422 Mpa) 18.
The Concrete Directly contact with Ground how many Coats are applied in to the Concrete Surface? (4 Coat, 3 Coat, 2 Coat)
19. What is the Strength of Non Shrink Grout? (30 Mpa, 22 Mpa, 35 Mpa)
20. What is the tensile stregth by pull off test for Coating? (125 psi, 175 psi, 200 psi)
QA/QC QA/QC QUESTION (CIVIL): NO. 2 1. Explain What is Hold point, witness point & Survelliance as per ITP? 2. To detect form displacement or failure what we should be provided during Concrete? 3. How many Concrete cubes required for compressive strength test as per 09 - SAMSS - 097? 4. What is the minimum Cement Content of Lean Concrete 14 Mpa? 3
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(350 Kg/M , 370 Kg/M , 250 Kg/M ) 5. What is the water Cement Ratio of Water Retaining Structure / Prestressed Concrete? (0.3, 0.4, 0.6) 6. What is the Temperature of Prime Coat MC-70? (500c - 800c, 650c - 1050c, 800c - 1250c) 7. What is the Temperature of Structural Concrete as per 09-SAMSS-097? 0
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(25 c, 28 c, 32 c) 8. What is the ASTM Standard used for High Strength Anchor Bolt? (ASTM - A 197, ASTM - F 436, ASTM - A 325)) 9. What is the Standard for Microsilica used in Concrete? (ASTM - C 39, ASTM - C 1240, ACI - 305) 10.What is the Percent passing for Select fill for 5 cm Sieve as per SAES A -114? (80 %, 90 %, 100 %)
QA/QC QA/QC QUESTION (CIVIL): NO.2 11.What is the Standard for Hot Weather Concrete as per ACI? (ACI 117, ACI 304, ACI 305 R)
12.What is the Compressive Strength of Non shrink Cementitious Grout? (28 Mpa, 14 Mpa, 35 Mpa)
13.All the Exposed Corners above Grade shall be Chamfered with? (15 mm,. 20 mm, 25 mm)
14.What is the Density of Non Woven Geotextile used in Under Ground Utilites? 2
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(150 gm/m , 125 gm/m , 100 gm/m )
15.What is the additional Length of Vapour Barrier at joints in mm? (75 mm, 100 mm, 150 mm)
16.What is the Minimum area Specified for Construction joint in SAES -Q - 001? (60 M2, 50 M2, 55 M2)
17.What is the maximum amount of repaired and damaged rebar coating shall be ? (1 %, 2 %, 3 %)
18.Variation in elevation of the tops of Anchor Bolt shall be equal to OR lessthan? (13 mm, 8 mm, 6 mm)
19.
Concrete Delivered at a temparature in Excess of 320c or that fail to Maintain a temparature of 320c used shall be? (Pass, Fail, Rejected)
20. What is temparature of Asphalt Concrete and what is the temparature at which we should stop Compaction?
QA/QC QA/QC QUESTION (CIVIL): NO.3 1. What is the Minimum yield strength of Welded wire fabric as per SASO SSA A 224? (260 Mpa, 180 Mpa, 240 Mpa)
2. What is the ASTM code for Welded wire & Coated wire? (ASTM - A 767, ASTM - A 775, ASTM - A 884)
3. What is the dayer thickness in place Concrete Consolidation? (550 mm, 800 mm, 450 mm)
4. What is the Cover between Reinforcement and pipe line Anchor blockes? (75 mm, 50 mm, 100 mm)
5. What is the Equipment shall not used for to move concrete inside forms? (Trowel, Shovel, Vibrator)
6. Which Admixture not used for precast & prestressed concrete? (Sulfate, Chloride, Calcium Chloride)
7. What is the Air - dry density of light weight concrete? 3
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(16.12 - 17.14 Kn/M , 15.16 - 17.0 Kn/M , 14.14 - 18.07 Kn/M ) 8. Which Material should not contact with Anchor Bolt? (Insert Plate, Pipe sleeve, Reinforcing steel)
9. What is the Horizontal & Vertical Tolerance of Inserts Plate in precast concrete? (6 mm, 1 mm), (5 mm, 2 mm), (6 mm, 3 mm)
10. What is the Minimum strength of strands in precast tendons? (280000 psi, 300000 psi, 250000 psi)
QA/QC QA/QC QUESTION (CIVIL): NO.3 11. What is the Temparature of prime coat MC - 70? (500c - 800c, 650c - 1000c, 800c - 1250c) 12. How many Concrete Cylinders required for Compression strength as per 09 - SAMSS - 047? 13. What is the percent passing the sieve # 5 for select fill? (80 %, 90 %, 100 %)
14. What the minimum area specified for Construction joint? (60 M2, 55 M2, 70 M2) 15. What is the Tensile strength of Hot rolled high deformed steel? (36 Mpa, 14.8 Mpa, 422 Mpa)
16. What is the Tensile strength of pull - off test for coating? (175 psi, 150 psi, 180 psi)
17. What is the stength of non - shrink grout? (25 Mpa, 40 Mpa, 35 Mpa)
18. What is the Standard for Microsilica used in concrete? (ASTM - C 5, ASTM - C 143, ASTM - C 39)
19. Variation in elevation of the Top of Anchor Bolts shall be equal to or less than? (15 mm, 25 mm, 13 mm)
20. Which Material used for Anchor Bolt & embedded item shall be setting in structure? (Anchorage bar, Coated wire, Templates)