NDT FPI LEVEL 1 STUDY GUIDE EXAM QUESTIONS WITH
ANSWERS 2025/2026 GRADED A+
When using a pulse and moification penetrate, it is necessary to apply the emulsifier
A. Before applying to penetrant.
B. After the water wash operation.
C. After the dwell time has elapsed
D. After the development time has elapsed. - C. After the dwell time has elapsed.
When conducting a water washable liquid penetrant test, the web developer is applied
A. Immediately after the penetrant has been applied.
B. Immediately before the penetrant is applied.
C. After removal of the penetrant.
D. After removal of the emulsifier. - C. After removal of the penetrate.
The term used to describe the action of a particular developer, and soaking up the
penetrant in a discontinuity so as to cause the maximum bleed out of the liquid
penetrant for increased contrast and sensitivity is known as
A. Blotting.
B. Capillary action.
C. Concentration.
D. Attraction. - A. Blotting.
Using a black light lamp with a cracked filter, or without a filter in place can cause
damage to human eye because the lamp admits
A. Black light.
B. Ultraviolet light.
C. Infrared light
D. None of the above. - B. Ultraviolet light.
The term used to define a period of time in which the test part is completely covered
with penetrant is
A. Waiting time.
B. Soak time
C. Penetration time.
D. Bleed in time. - C. Penetration time.
Usually the most desirable method of removing excess water washable penetrant after
the dwell time is by using
A. A low pressure coarse water spray.
, B. Water and brush.
C. A solid stream of water.
D. Water and clean rags. - A. A low pressure coarse water spray
When conducting a liquid penetrant test using a post emulsifiable visible, die penetrant
the general excepted method for applying to what developer is by
A. Brushing.
B. Swabbing
C. Dipping.
D. Spraying. - D. Spraying
Which of the following characteristics does not apply to liquid penetrant testing
A. This method can accurately measure the depth of a crack or discontinuity
B. This method can be used for on site testing of large parts.
C. This method can be used to find shallow surface discontinuities
D. This method can be made more or less sensitive by using different penetrant - A.
This method can accurately measure the depth of a crack.
Which of the following discontinuities is most likely to be missed due to improper rinse
techniques
A. Forging lap.
B. Deep pitting.
C. Shallow and broad discontinuities
D. The rinse technique will not affect the detection of discontinuities - Shallow and broad
discontinuities
When conducting a fluorescent penetrant test, a commonly used technique for sharing
that the excess penetrant has been removed prior to the application of developer is to
A. Blow compressed air over the surface.
B. Chemically etch the surface.
C. Blot the surface with absorbent paper
D. Scan the surface with a black light. - D. Stay on the surface with a black light.
Which of the following surface conditions could have a detrimental effect on a liquid
penetrant test?
a wet surface
a rough weld
an oily surface
All of the above - All the above
Liquid penetrant testing is capable of detecting
ANSWERS 2025/2026 GRADED A+
When using a pulse and moification penetrate, it is necessary to apply the emulsifier
A. Before applying to penetrant.
B. After the water wash operation.
C. After the dwell time has elapsed
D. After the development time has elapsed. - C. After the dwell time has elapsed.
When conducting a water washable liquid penetrant test, the web developer is applied
A. Immediately after the penetrant has been applied.
B. Immediately before the penetrant is applied.
C. After removal of the penetrant.
D. After removal of the emulsifier. - C. After removal of the penetrate.
The term used to describe the action of a particular developer, and soaking up the
penetrant in a discontinuity so as to cause the maximum bleed out of the liquid
penetrant for increased contrast and sensitivity is known as
A. Blotting.
B. Capillary action.
C. Concentration.
D. Attraction. - A. Blotting.
Using a black light lamp with a cracked filter, or without a filter in place can cause
damage to human eye because the lamp admits
A. Black light.
B. Ultraviolet light.
C. Infrared light
D. None of the above. - B. Ultraviolet light.
The term used to define a period of time in which the test part is completely covered
with penetrant is
A. Waiting time.
B. Soak time
C. Penetration time.
D. Bleed in time. - C. Penetration time.
Usually the most desirable method of removing excess water washable penetrant after
the dwell time is by using
A. A low pressure coarse water spray.
, B. Water and brush.
C. A solid stream of water.
D. Water and clean rags. - A. A low pressure coarse water spray
When conducting a liquid penetrant test using a post emulsifiable visible, die penetrant
the general excepted method for applying to what developer is by
A. Brushing.
B. Swabbing
C. Dipping.
D. Spraying. - D. Spraying
Which of the following characteristics does not apply to liquid penetrant testing
A. This method can accurately measure the depth of a crack or discontinuity
B. This method can be used for on site testing of large parts.
C. This method can be used to find shallow surface discontinuities
D. This method can be made more or less sensitive by using different penetrant - A.
This method can accurately measure the depth of a crack.
Which of the following discontinuities is most likely to be missed due to improper rinse
techniques
A. Forging lap.
B. Deep pitting.
C. Shallow and broad discontinuities
D. The rinse technique will not affect the detection of discontinuities - Shallow and broad
discontinuities
When conducting a fluorescent penetrant test, a commonly used technique for sharing
that the excess penetrant has been removed prior to the application of developer is to
A. Blow compressed air over the surface.
B. Chemically etch the surface.
C. Blot the surface with absorbent paper
D. Scan the surface with a black light. - D. Stay on the surface with a black light.
Which of the following surface conditions could have a detrimental effect on a liquid
penetrant test?
a wet surface
a rough weld
an oily surface
All of the above - All the above
Liquid penetrant testing is capable of detecting
