Non Destructive Testing and Evaluation MCQs | Page - 2

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M

Mr. Dubey • 52.26K Points
Coach

Q. A developer aids penetrant bleed out because of:

(A) Adequate removal of the excess penetrant
(B) Providing a contrasting background for visible dye indications
(C) Capillary action
(D) Proper emulsifier action
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M

Mr. Dubey • 52.26K Points
Coach

Q. In the solvent removable penetrant process, excess penetrant is removed with:

(A) A water spray
(B) A hydrophilic scrubber
(C) A solvent spray
(D) Clean, lint free towels slightly moistened with solvent
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M

Mr. Dubey • 52.26K Points
Coach

Q. Water based wet developer is applied:

(A) Immediately before removal of excess penetrant
(B) Immediately after removal of excess penetrant
(C) After a drying period following removal of excess penetrant
(D) For maximum sensitivity results
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M

Mr. Dubey • 52.26K Points
Coach

Q. Non-aqueous wet developer is applied:

(A) Immediately before removal of excess penetrant
(B) Immediately after removal of excess penetrant
(C) After the excess penetrant is removed and part surface is dried
(D) For maximum sensitivity results
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M

Mr. Dubey • 52.26K Points
Coach

Q. Dry developer is applied:

(A) Immediately before removal of excess penetrant
(B) Immediately after removal of excess penetrant
(C) After drying of the part
(D) For maximum sensitivity results
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M

Mr. Dubey • 52.26K Points
Coach

Q. Typical ranges of emulsifier dwell times are:

(A) 5 to 10 minutes
(B) 30 seconds to 1 minute
(C) 1 to 3 minutes
(D) 5 to 10 minutes
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M

Mr. Dubey • 52.26K Points
Coach

Q. Actual emulsification times are determined by:

(A) Experiment, during technique qualification
(B) Manufacturer's recommendations
(C) Code requirements
(D) None of the above
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M

Mr. Dubey • 52.26K Points
Coach

Q. The colour of fluorescent penetrant under the presence of a UV light is:

(A) Yellow-green
(B) Red
(C) Blue
(D) Green
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M

Mr. Dubey • 52.26K Points
Coach

Q. What action is necessary if the penetrant is inadvertently allowed to dry on the test piece?

(A) Repeat the test, beginning with the pre-cleaning operation
(B) Re-wet the penetrant, begin dwell time again and continue
(C) Clean the penetrant off the surface and develop normally
(D) Clean the penetrant off the surface, wait 5 minutes and develop normally
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M

Mr. Dubey • 52.26K Points
Coach

Q. What maximum water rinse pressure is considered safe for removal of excess penetrant in the water washable penetrant process?

(A) As low a pressure as possible, 50 PSI maximum
(B) to 200 PSI
(C) PSI maximum
(D) to 500 PSI
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