2025 Welding Inspector Level 1 Certification Exam
Practice Test Bank With 350 Real Exam Practice
Questions and Correct Verified Answers| CWB Level
1 Certification Test Prep 2025-2026 (Latest!)
1. An inspector is acting as a responsible representative of an organization when
decisions are :
( a ) governed by a written list of requirements drawn up by the inspector .
( b ) based on written requirements of the fabricator or manufacturer .
( c ) based on the inspector's experience and opinions formed while inspecting .
( d ) formed based on consultation with the governing procedures and standards .
( d ) formed based on consultation with the governing procedures and standards .
2. True or False ? Due to the variety of welded structures requiring inspection , no
one class of inspector is expected to be proficient in all types of inspection .
( a ) True
( b ) False
( a ) True
3. A welding inspector must :
( a ) have experience as a welder .
( b ) be familiar with drawings and symbols .
( c ) be a certified Engineering Technologist .
( d ) have experience as a non - destructive testing technician .
( b ) be familiar with drawings and symbols .
4. When deviations from drawings and specifications are warranted , such
deviations should be :
( a ) authorized by the inspector before work commences .
( b ) obtained and recorded by the inspector upon release from the design agency .
( c ) reviewed and recorded by the inspector following completion of the work
( d ) disregarded by the inspector until final inspection to the original design is
complete .
( b ) obtained and recorded by the inspector upon release from the design agency .
pg. 1
,5. True or False ? Prior to welding being carried out on a contract , it is the duty of
the inspector to verify that welding procedure and performance qualifications have
been established and approved .
( a ) True
( b ) False
( a ) True
6. Briefly describe the stage at which visual welding inspection should begin ?
prior to the actual fabrication operations .
7. True or False ? Magnetic particle inspection utilizes a magnetic field , which can
be induced in non magnetic materials .
( a ) True
( b ) False
( b ) False
8. When inspecting welds using magnetic particle testing , what is the most
common way to induce the magnetic field when using direct or alternating current
?
AC / DC Yoke
9. What type of current is used to detect subsurface defects when using a magnetic
particle test ?
( a ) AC
( b ) DC
( b ) DC
10. True or False ? Magnetic particle testing can be used in all positions , including
overhead .
( a ) True
( b ) False
( a ) True
11. Briefly explain why is it necessary to clean the weld zone surface with a
solvent to remove grease and dirt before liquid penetration inspection ?
foreign or solid compartments can black openings foreign liquids can dilute
penetrant .
pg. 2
,12. Which of the following terms define the time period in which penetrant must
remain on the surface ?
( a ) Wait time
( b ) Development time
( c ) Dwell time
( d ) Capillary time
( c ) Dwell time
13. Depending on the type of penetrant being used , what two methods are
permitted for the removal of surface penetrant , prior to the application of
developer?
water washable, Solvent removable .
14. Some specifications limit halogen content in penetrant test materials because
under certain conditions they can cause stress corrosion cracking in what materials
?
( a ) Low Carbon steels
( b ) Aluminum
( c ) Cast iron
( d ) Austenitic stainless steels
( d ) Austenitic stainless steels
15. Careless removal of excess penetrant from irregular weld profiles , including
weld ripples , can cause which of the following conditions ?
( a ) Corrosion of weld surfaces
( b ) False indications
( c ) Inaccurate determination of weld size
( d ) Weld metal porosity
( b ) False indications
16. True or False ? Ultrasonic testing of welds utilizes sound frequencies between
2.5 and 5 MHz .
( a ) True
( b ) False
( a ) True
17. The two primary ultrasonic beam modes used in weld testing are :
pg. 3
, 1. longitudinal and 2. Shear wave .
18. When there is a change in a material , such as a void caused by a defect , the
velocity of the ultrasonic beam changes and ________________________ occurs .
( a ) beam profilep
( b ) raleigh wave propagation
( c ) acoustic mismatch
( d ) pulse differential
( c ) acoustic mismatch
19. Ultrasonic sound waves are generated by applying electric pulses to :
( a ) piezoelectric crystals .
( b ) silver bromide crystals .
( c ) nickel cadmium contact points .
( d ) tungsten refectors .
( a ) piezoelectric crystals .
20. In carbon steel , a shear wave beam moves at a velocity of :
( a ) 0.585 cm / micro second .
( b ) 0.323 cm / micro second .
( c ) 0.486 cm / micro second .
( d ) 0.383 cm / micro second .
( b ) 0.323 cm / micro second .
21. To provide a maximum indication on the display screen , the ultrasonic beam
should strike the major face of the defect at an angle of :
( a ) 40 °
( b ) 60 °
( c ) 90 °
( d ) 75 °
( c ) 90 °
22. When the weld joint configuration prevents the ultrasonic beam from
interacting with the areas of interest at a 90 ° angle , what alternate method may be
used ?
pitch / catch technique
pg. 4
Practice Test Bank With 350 Real Exam Practice
Questions and Correct Verified Answers| CWB Level
1 Certification Test Prep 2025-2026 (Latest!)
1. An inspector is acting as a responsible representative of an organization when
decisions are :
( a ) governed by a written list of requirements drawn up by the inspector .
( b ) based on written requirements of the fabricator or manufacturer .
( c ) based on the inspector's experience and opinions formed while inspecting .
( d ) formed based on consultation with the governing procedures and standards .
( d ) formed based on consultation with the governing procedures and standards .
2. True or False ? Due to the variety of welded structures requiring inspection , no
one class of inspector is expected to be proficient in all types of inspection .
( a ) True
( b ) False
( a ) True
3. A welding inspector must :
( a ) have experience as a welder .
( b ) be familiar with drawings and symbols .
( c ) be a certified Engineering Technologist .
( d ) have experience as a non - destructive testing technician .
( b ) be familiar with drawings and symbols .
4. When deviations from drawings and specifications are warranted , such
deviations should be :
( a ) authorized by the inspector before work commences .
( b ) obtained and recorded by the inspector upon release from the design agency .
( c ) reviewed and recorded by the inspector following completion of the work
( d ) disregarded by the inspector until final inspection to the original design is
complete .
( b ) obtained and recorded by the inspector upon release from the design agency .
pg. 1
,5. True or False ? Prior to welding being carried out on a contract , it is the duty of
the inspector to verify that welding procedure and performance qualifications have
been established and approved .
( a ) True
( b ) False
( a ) True
6. Briefly describe the stage at which visual welding inspection should begin ?
prior to the actual fabrication operations .
7. True or False ? Magnetic particle inspection utilizes a magnetic field , which can
be induced in non magnetic materials .
( a ) True
( b ) False
( b ) False
8. When inspecting welds using magnetic particle testing , what is the most
common way to induce the magnetic field when using direct or alternating current
?
AC / DC Yoke
9. What type of current is used to detect subsurface defects when using a magnetic
particle test ?
( a ) AC
( b ) DC
( b ) DC
10. True or False ? Magnetic particle testing can be used in all positions , including
overhead .
( a ) True
( b ) False
( a ) True
11. Briefly explain why is it necessary to clean the weld zone surface with a
solvent to remove grease and dirt before liquid penetration inspection ?
foreign or solid compartments can black openings foreign liquids can dilute
penetrant .
pg. 2
,12. Which of the following terms define the time period in which penetrant must
remain on the surface ?
( a ) Wait time
( b ) Development time
( c ) Dwell time
( d ) Capillary time
( c ) Dwell time
13. Depending on the type of penetrant being used , what two methods are
permitted for the removal of surface penetrant , prior to the application of
developer?
water washable, Solvent removable .
14. Some specifications limit halogen content in penetrant test materials because
under certain conditions they can cause stress corrosion cracking in what materials
?
( a ) Low Carbon steels
( b ) Aluminum
( c ) Cast iron
( d ) Austenitic stainless steels
( d ) Austenitic stainless steels
15. Careless removal of excess penetrant from irregular weld profiles , including
weld ripples , can cause which of the following conditions ?
( a ) Corrosion of weld surfaces
( b ) False indications
( c ) Inaccurate determination of weld size
( d ) Weld metal porosity
( b ) False indications
16. True or False ? Ultrasonic testing of welds utilizes sound frequencies between
2.5 and 5 MHz .
( a ) True
( b ) False
( a ) True
17. The two primary ultrasonic beam modes used in weld testing are :
pg. 3
, 1. longitudinal and 2. Shear wave .
18. When there is a change in a material , such as a void caused by a defect , the
velocity of the ultrasonic beam changes and ________________________ occurs .
( a ) beam profilep
( b ) raleigh wave propagation
( c ) acoustic mismatch
( d ) pulse differential
( c ) acoustic mismatch
19. Ultrasonic sound waves are generated by applying electric pulses to :
( a ) piezoelectric crystals .
( b ) silver bromide crystals .
( c ) nickel cadmium contact points .
( d ) tungsten refectors .
( a ) piezoelectric crystals .
20. In carbon steel , a shear wave beam moves at a velocity of :
( a ) 0.585 cm / micro second .
( b ) 0.323 cm / micro second .
( c ) 0.486 cm / micro second .
( d ) 0.383 cm / micro second .
( b ) 0.323 cm / micro second .
21. To provide a maximum indication on the display screen , the ultrasonic beam
should strike the major face of the defect at an angle of :
( a ) 40 °
( b ) 60 °
( c ) 90 °
( d ) 75 °
( c ) 90 °
22. When the weld joint configuration prevents the ultrasonic beam from
interacting with the areas of interest at a 90 ° angle , what alternate method may be
used ?
pitch / catch technique
pg. 4
