NDT Exam PDF [PDF]

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Each one carries one mark

20*1=20 marks

1) In which type of test the capillary action principle is used? a. Probe test b. Bend liquid test c. Dye penetrant test d. None of the above

2) Non-destructive testing is used to determine a. location of defects b. chemical composition c. corrosion of metal d. All of these

3) Which among the following is not a type of Non-destructive testing? a. compression test b. visual testing c. ultrasonic testing d. eddy current testing

4) Identify the type of destructive testing a. Radiographic test b. Dye penetrant test c. Creep test d. All of the above

5) --------------------- is the last step in magnetic particle test method? 6) Which of the following statements is/are true for ultrasonic test? a. Equipment used for ultrasonic testing is portable b. Complicated shapes can be easily scanned c. Waves generated are health hazardous d. All the above statements are true

7) During radiography test ------------------- region absorbs less radiation and transmits more 8) Which test is used to determine dimensions of any object? a. Ultrasonic test b. Torsion test c. Eddy current test d. All of these tests can be used to determine dimensions of any object

9) Eddy current test is used to detect a. cracks b. hardness c. conductivity d. All of the above

10) Which test can be performed without skilled labour? a. Dye penetrant testing b. Visual testing c. Ultrasonic testing d. Magnetic particle test

11. The penetrant applied to the surface of a test specimen: a. seeps into discontinuities b. is absorbed by discontinuities c. is drawn into discontinuities by capillary action d. is drawn into discontinuities by gravity

12. A solvent used to clean the surface of a test specimen must possess all of the following characteristics except that the: a. cleaner must be capable of dissolving oils and greases commonly found on the surface b. cleaner must not be flammable c. cleaner must be free of contaminants d. cleaner must leave a minimal residue on the surface

13. Liquid penetrant testing can be used to detect: a. discontinuities 1.6 mm (0.06 in.) below the surface b. internal discontinuities c. discontinuities open to the surface d. all discontinuities

14. A penetrant inspection cannot find: a. surface p orosity b. surface cracks c. an internal cavity d. a surface forging lap

15. Liquid penetrant testing is capable of detecting: a. intergranular stress corrosion cracking discontinuities b. discontinuities open to the surface c. subsurface discontinuities d. all of the above

16.Which of the following is NOT a method of demagnetisation? A.Heating of component B. Hammering of component C. Using a direct current on a component D. Using an alternating current on a component

17.What is magnetic flux density measured in------------18.------------------- principle governs MPI 19.What type of electric current can be used in MPI? A.AC B.DC C.HWDC D.All of the above

20.What is a 'Magnetic Domain'? A .The space in which a magnetic force is exerted B. A break in the magnetic permeability of the part C. A conductor carrying an electric current bent in a loop D. A region in which the magnetic fields of atoms are grouped together and aligned

1.Experiment Liquid penetration test write theory and explain it with neat diagram 2.Experiment Liquid penetration test using UV light write theory and explain it with neat diagram 3.Experiment magnetic particle testing write theory and explain it with neat diagram 4.Experiment Ultra sonic testing write theory and explain it with neat diagram 1.Experiment Liquid penetration test write theory and explain it with neat diagram 2.Experiment Liquid penetration test using UV light write theory and explain it with neat diagram 3.Experiment magnetic particle testing write theory and explain it with neat diagram 4.Experiment Ultra sonic testing write theory and explain it with neat diagram 1.Experiment Liquid penetration test write theory and explain it with neat diagram 2.Experiment Liquid penetration test using UV light write theory and explain it with neat diagram 3.Experiment magnetic particle testing write theory and explain it with neat diagram 4.Experiment Ultra sonic testing write theory and explain it with neat diagram