Top 150+ Solved Liquid Penetrant Testing Level 1 MCQ Questions Answer
Q. The temperature of water rinse used in the water washable penetrant process shouldbe:
a. 60 to 110oC
b. 40 to 100oC
c. 16 to 43oC
d. 70 to 140oC
Q. The danger of over washing during a water washable penetrant test is that:
a. Excess penetrant will be removed from the test piece
b. Penetrant will be removed from discontinuities
c. The waste water will contain too high a concentration of penetrants
d. A protective oxide coating on the test piece is formed
Q. Which penetrant process is best suited to high production rates of many small parts?
a. Solvent removable
b. Water washable
c. Post emulsifiable
d. Fluorescent
Q. Which penetrant process is best suited to detect shallow discontinuities?
a. Solvent removable
b. Water washable
c. Post emulsifiable
d. Fluorescent
Q. Which penetrant process is best suited to the detection of discontinuities in a test piecehaving threads and keyways?
a. Solvent removable
b. Water washable
c. Post emulsifiable
d. Fluorescent
Q. Which penetrant process is the most sensitive to detect fine discontinuities?
a. Solvent removable
b. Water washable
c. Post emulsifiable fluorescent
d. Water washable fluorescent
Q. Which penetrant process is best suited for portable application in the field?
a. Solvent removable
b. Water washable
c. Post emulsifiable
d. Fluorescent
Q. Which penetrant process should be used if repeated examinations are anticipated?
a. Solvent removable
b. Water washable
c. Post emulsifiable
d. Fluorescent
Q. What is a disadvantage of using the fluorescent penetrant process?
a. Lower visibility of indications
b. Must be performed in a darkened area with aid of a UV lamp
c. Easily washed with water
d. High visibility of indications
Q. Which of the following developers is applied by brush, spraying or dipping?
a. Non-aqueous wet
b. Water based wet
c. Dry
d. Dual sensitivity
Q. Which of the following developers is applied by spray only?
a. Non-aqueous wet
b. Water based wet
c. Dry
d. Dual sensitivity
Q. Which of the following developers is applied by immersion or flow on only?
a. Non-aqueous wet
b. Water based wet
c. Dry
d. Dual sensitivity
Q. What is the minimum time considered necessary for dark adaptation of the eyes priorto evaluating the results of a fluorescent penetrant test?
a. 1 minute
b. 2 minutes
c. 5 minutes
d. 10 minutes
Q. What is the likely result of looking directly into a black light?
a. Burning of the retina of the eye
b. Temporary inflammation of the cornea
c. Long term tendency toward formation of cataracts
d. Fluorescence of the fluid in the eye
Q. Which type of penetrant process would be best suited to the detection of wide, shallowdiscontinuities?
a. Solvent removable
b. Water washable
c. Post emulsifiable
d. Fluorescent