Q. A developer aids penetrant bleed out because of:
✅ Correct Answer: (C)
Capillary action
Non Destructive Testing and Evaluation MCQs | Page - 2
Dear candidates you will find MCQ questions of Non Destructive Testing and Evaluation here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. In the solvent removable penetrant process, excess penetrant is removed with:
✅ Correct Answer: (D)
Clean, lint free towels slightly moistened with solvent
Q. Water based wet developer is applied:
✅ Correct Answer: (B)
Immediately after removal of excess penetrant
Q. Non-aqueous wet developer is applied:
✅ Correct Answer: (C)
After the excess penetrant is removed and part surface is dried
Q. Actual emulsification times are determined by:
✅ Correct Answer: (A)
Experiment, during technique qualification
Q. The colour of fluorescent penetrant under the presence of a UV light is:
✅ Correct Answer: (A)
Yellow-green
Q. What action is necessary if the penetrant is inadvertently allowed to dry on the test piece?
✅ Correct Answer: (A)
Repeat the test, beginning with the pre-cleaning operation
Q. What maximum water rinse pressure is considered safe for removal of excess penetrant in the water washable penetrant process?
✅ Correct Answer: (A)
As low a pressure as possible, 50 PSI maximum
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