LIQUID PENETRANT TESTING EXAM
2026-2027
Expert-Verified Questions and Answers
(With A+ Grades Guarantee)
,The oil-and-whiting method was first used in which A. The aerospace industry.
industry? B. The railroad industry.
C. The marine industry.
D. The oil industry.
What test is used to verify that a person can distinguish A. Jaeger J-1
between colors used for liquid penetrant testing? B. Snellen chart.
C. Pseudo-isochromatic plates.
D. Retinoscopy.
ASNT's recommended guideline is called? A. CP-189
B. CP-105
C. NAS 410
D. SNT-TC-1A
Awritten examination evaluating a candidate's A. general examination.
understanding of procedures, equipment, and techniques B. practical examination.
that would be encountered in their scope of employment is C. specific examination.
a? D. vision examination.
Which of the following causes the liquid to enter the A. Cohesion action.
discontinuities that are open to the surface? B. Adhesion action.
C.Capillary action.
D. Surface tension action.
Liquid penetrant testing is employed to detect shich of the A. Only discontinuities that provide linear indications.
following? B .Discontinuities located deep below the surface.
C. Only discontinuities that provide rounded indications.
D. Discontinuities open to the surface.
What skill level is a person who has just begun the A. An NDT assistant.
qualification process? B. A trainee
C. A Level 1
D. A technician.
The ultraviolet radiation wavelength used in Type 1 A. 365nm
(fluorescent) penetrant testing is approximately? B. 100 fc
C. 500 qW
D. 2 fc
The length of a certification is stated where? A. ASNT
B. ASME
C. Employer's written practice.
D. Employer's procedure.
How many levels of sensitivity are there for Type 1 A. 3
penetrant? B. 4
C. 5
D. 6
Which certification level is responsible for a company's A. Level I
qulification and certification program? B. Level II
C. Level III
D. Level IV
Liquid penetrants testing identifies sensitivity levels of A. visible dye penetrants.
penetrants. The sensitivity levels are applicable to? B. fluorescent penetrants.
C. both visible and fluorescent penetrants.
D. only dual-mode fluorescent penetrants.
What is the purpose of developer for liquid penetrant A. To dry the surface of the test object.
testing? B. To increase the surface tension of the dye.
C. To decrease the surface tension of the dye.
D. To aid reverse capillary action bleedout and make indication easier to see.
, Penetrant that is water-washable (contains a built-in A. Method A
emulsifier) is which method? B. Method B
C. Method C
D. Method D
ASNT's standard for qualification and certification? A. CP-189
B. CP-105
C. NAS 410
D. SNT-TC-1A
Which of trhe following written examinations evaluates a A. General examinatrion.
candidate's understanding of basic principles of the liquid B. Practical examination.
penetrant testing method? C. Specific examination.
D. Vision examination.
Which of the following statements are true concerning A. If corrective lenses are required to pass a vision acuity test, corrective
vision acuity test? lenses must also be worn during the liquid penetrant test.
B. Vision acuity tests are not required for certified personnel.
C.Personnel being considered for certification must be able to pass the vision acuity
test without corrective lenses.
D. Vision acuity test are required semiannually at a minimum.
What term defines the lowest temperature at which vapors A. Viscosity.
of a volatile combustible substance could ignite in air when B. Surface tension.
exposed to a flame? C. Flashpoint.
D. Toxicity.
What precautions can be taken to avoid unhealthy A. Protective hand creams.
concentrations of developer powder in the atmosphere? B. Neoprene gloves.
C. UV lamp filters.
D. Exhaust fans.
After liquid penetrant testing of a stainless steel plate, faint A. The plate may be used for production, since it is a nonrelevant indication.
indications are found on the surface. What should be done B. The plate must be repaired before production, since it is a relevant indication.
next? C. The plate should be further evaluated using ultrasonic testing.
D. The plate should be thoroughly cleaned and retested.
If solvent cleaners are used to preclean a part, the A. most of the contaminants are removed but that the part is not over-cleaned.
technician should ensure that? B. the solvent materials completely clean out foreign materials trapped in
discontinuities.
C. only the minimal amount of solvent cleaner is used to prevent over cleaning of
the part surface.
D. the solvent material completely removes organic contaminants on the part
and totally evaporates.
Why is it advisable to have an ultraviolet lamp installed at A. So that inspection can be done without drying parts.
the wash station? B. To speed the bleeding of penetrant out of discontinuities.
C. To check the effectiveness of the wash cycle.
D. To determine if parts have been covered with penetrant.
Which of trhe following is a typical nonrelevant indication? A. Indications due to part geometry or part design configurations.
B. Nonmagnetic indications.
C. Nonlinear indications.
D. Multiple indications.
When conducting a penetrant test, spherical indications on A. porosity.
the surface of a weld bead area could be indicative of? B. hot tears.
C. weld laps.
D. fatigue cracks.
All procedures and techniques must be approved and A. Level I technician.
signed by a? B. Level II inspector
C. Level II supervisor.
D. Level III technician.
2026-2027
Expert-Verified Questions and Answers
(With A+ Grades Guarantee)
,The oil-and-whiting method was first used in which A. The aerospace industry.
industry? B. The railroad industry.
C. The marine industry.
D. The oil industry.
What test is used to verify that a person can distinguish A. Jaeger J-1
between colors used for liquid penetrant testing? B. Snellen chart.
C. Pseudo-isochromatic plates.
D. Retinoscopy.
ASNT's recommended guideline is called? A. CP-189
B. CP-105
C. NAS 410
D. SNT-TC-1A
Awritten examination evaluating a candidate's A. general examination.
understanding of procedures, equipment, and techniques B. practical examination.
that would be encountered in their scope of employment is C. specific examination.
a? D. vision examination.
Which of the following causes the liquid to enter the A. Cohesion action.
discontinuities that are open to the surface? B. Adhesion action.
C.Capillary action.
D. Surface tension action.
Liquid penetrant testing is employed to detect shich of the A. Only discontinuities that provide linear indications.
following? B .Discontinuities located deep below the surface.
C. Only discontinuities that provide rounded indications.
D. Discontinuities open to the surface.
What skill level is a person who has just begun the A. An NDT assistant.
qualification process? B. A trainee
C. A Level 1
D. A technician.
The ultraviolet radiation wavelength used in Type 1 A. 365nm
(fluorescent) penetrant testing is approximately? B. 100 fc
C. 500 qW
D. 2 fc
The length of a certification is stated where? A. ASNT
B. ASME
C. Employer's written practice.
D. Employer's procedure.
How many levels of sensitivity are there for Type 1 A. 3
penetrant? B. 4
C. 5
D. 6
Which certification level is responsible for a company's A. Level I
qulification and certification program? B. Level II
C. Level III
D. Level IV
Liquid penetrants testing identifies sensitivity levels of A. visible dye penetrants.
penetrants. The sensitivity levels are applicable to? B. fluorescent penetrants.
C. both visible and fluorescent penetrants.
D. only dual-mode fluorescent penetrants.
What is the purpose of developer for liquid penetrant A. To dry the surface of the test object.
testing? B. To increase the surface tension of the dye.
C. To decrease the surface tension of the dye.
D. To aid reverse capillary action bleedout and make indication easier to see.
, Penetrant that is water-washable (contains a built-in A. Method A
emulsifier) is which method? B. Method B
C. Method C
D. Method D
ASNT's standard for qualification and certification? A. CP-189
B. CP-105
C. NAS 410
D. SNT-TC-1A
Which of trhe following written examinations evaluates a A. General examinatrion.
candidate's understanding of basic principles of the liquid B. Practical examination.
penetrant testing method? C. Specific examination.
D. Vision examination.
Which of the following statements are true concerning A. If corrective lenses are required to pass a vision acuity test, corrective
vision acuity test? lenses must also be worn during the liquid penetrant test.
B. Vision acuity tests are not required for certified personnel.
C.Personnel being considered for certification must be able to pass the vision acuity
test without corrective lenses.
D. Vision acuity test are required semiannually at a minimum.
What term defines the lowest temperature at which vapors A. Viscosity.
of a volatile combustible substance could ignite in air when B. Surface tension.
exposed to a flame? C. Flashpoint.
D. Toxicity.
What precautions can be taken to avoid unhealthy A. Protective hand creams.
concentrations of developer powder in the atmosphere? B. Neoprene gloves.
C. UV lamp filters.
D. Exhaust fans.
After liquid penetrant testing of a stainless steel plate, faint A. The plate may be used for production, since it is a nonrelevant indication.
indications are found on the surface. What should be done B. The plate must be repaired before production, since it is a relevant indication.
next? C. The plate should be further evaluated using ultrasonic testing.
D. The plate should be thoroughly cleaned and retested.
If solvent cleaners are used to preclean a part, the A. most of the contaminants are removed but that the part is not over-cleaned.
technician should ensure that? B. the solvent materials completely clean out foreign materials trapped in
discontinuities.
C. only the minimal amount of solvent cleaner is used to prevent over cleaning of
the part surface.
D. the solvent material completely removes organic contaminants on the part
and totally evaporates.
Why is it advisable to have an ultraviolet lamp installed at A. So that inspection can be done without drying parts.
the wash station? B. To speed the bleeding of penetrant out of discontinuities.
C. To check the effectiveness of the wash cycle.
D. To determine if parts have been covered with penetrant.
Which of trhe following is a typical nonrelevant indication? A. Indications due to part geometry or part design configurations.
B. Nonmagnetic indications.
C. Nonlinear indications.
D. Multiple indications.
When conducting a penetrant test, spherical indications on A. porosity.
the surface of a weld bead area could be indicative of? B. hot tears.
C. weld laps.
D. fatigue cracks.
All procedures and techniques must be approved and A. Level I technician.
signed by a? B. Level II inspector
C. Level II supervisor.
D. Level III technician.
