NDT PT General Exam with all Correct & 100% Verified
Answers |Guaranteed to Pass
Liquid penetrant testing is based on the principle of: ✔Correct Answer-Capillary action
When a small diameter tube is placed in a glass of water, water rises in the tube to a level above
the adjacent surface. This is called: ✔Correct Answer-Capillary action
A penetrant that is self-emulsifying is called: ✔Correct Answer-Water washable
"A penetrant process which employs an emulsifier as a separate step in the penetrant
✔Correct Answer-Post-emulsified
"A penetrant process in which excess penetrant is removed with an organic solvent is called:"
✔Correct Answer-Solvent removable
A wire brush should be used for pre-cleaning: ✔Correct Answer-When rust is to be removed
A hydrometer is used to measure: ✔Correct Answer-Specific gravity of water based wet
developers
Visible, solvent removable penetrants are most advantageous for: ✔Correct Answer-
Inspecting parts at remote locations
"For adequate test results, the black light used in fluorescent penetrant examination should
provide what minimum black light intensity at the test surface?" ✔Correct Answer-1000
microwatts per square centimetre
"What minimum warm-up time is required for acceptable performance of a mercury Vapour arc
black light?" ✔Correct Answer-5 minutes
Which of the following penetrants contains an emulsifying agent? ✔Correct Answer-Water
washable
"Which of the following penetrants must be treated with an emulsifier prior to water removal?"
✔Correct Answer-Post emulsifiable
What is the function of an emulsifier? ✔Correct Answer-To make a post emulsifiable
penetrant water washable
An oil based emulsifier is called: ✔Correct Answer-Lipophilic
Answers |Guaranteed to Pass
Liquid penetrant testing is based on the principle of: ✔Correct Answer-Capillary action
When a small diameter tube is placed in a glass of water, water rises in the tube to a level above
the adjacent surface. This is called: ✔Correct Answer-Capillary action
A penetrant that is self-emulsifying is called: ✔Correct Answer-Water washable
"A penetrant process which employs an emulsifier as a separate step in the penetrant
✔Correct Answer-Post-emulsified
"A penetrant process in which excess penetrant is removed with an organic solvent is called:"
✔Correct Answer-Solvent removable
A wire brush should be used for pre-cleaning: ✔Correct Answer-When rust is to be removed
A hydrometer is used to measure: ✔Correct Answer-Specific gravity of water based wet
developers
Visible, solvent removable penetrants are most advantageous for: ✔Correct Answer-
Inspecting parts at remote locations
"For adequate test results, the black light used in fluorescent penetrant examination should
provide what minimum black light intensity at the test surface?" ✔Correct Answer-1000
microwatts per square centimetre
"What minimum warm-up time is required for acceptable performance of a mercury Vapour arc
black light?" ✔Correct Answer-5 minutes
Which of the following penetrants contains an emulsifying agent? ✔Correct Answer-Water
washable
"Which of the following penetrants must be treated with an emulsifier prior to water removal?"
✔Correct Answer-Post emulsifiable
What is the function of an emulsifier? ✔Correct Answer-To make a post emulsifiable
penetrant water washable
An oil based emulsifier is called: ✔Correct Answer-Lipophilic
