CWB Welding Inspector Level 1 Certification Exam | 100% Correctly Answered and Rated & Graded A+ | Latest 2026/2027 Guide ALL MODULES INCLUDED

CWB Welding Inspector Level 1
Certification Exam | 100% Correctly
Answered and Rated & Graded A+ | Latest
2026/2027 Guide
ALL MODULES INCLUDED


1. The positive terminal of an electrical circuit is called the :
( a ) work lead .
( b ) anode .
( c ) cathode .
( d ) diode - Correct Answer - ( b ) anode


2. True or False ? Flux cored arc welding produces a weld deposit with
lower hydrogen levels than gas tungsten arc welding .
( a ) True
( b ) False - Correct Answer - ( b ) False


3. A welding arc is intensely hot , with temperatures exceeding :
( a ) 100 ° C .
( b ) 500 ° C .
( c ) 10,000 ° C .
( d ) 30,000 ° C . - Correct Answer - ( d ) 30,000 ° C .


4. Welding power sources are broadly classified as :

,( a ) constant current or variable voltage .
( b ) variable current or constant voltage .
( c ) variable current or variable voltage .
( d ) constant current or constant voltage . - Correct Answer - ( d )
constant current or constant voltage .


5. Common shielding gases used for the GTAW process are :
( a ) active gases , such as carbon dioxide .
( b ) reactive gases , such as oxygen .
( c ) inert gases mixed with active gases , such as argon and carbon
dioxide mixes
( d ) inert gases , such as argon . - Correct Answer - ( d ) inert gases ,
such as argon .


6. Welding using the GTAW process with current set to DCEN ( direct
current electrode negative ) results in :
( a ) 30 % arc heat at the electrode and 70 % arc heat at the work .
( b ) 70 % arc heat at the electrode and 30 % arc heat at the work .
( c ) 40 % arc heat at the electrode and 60 % arc heat at the work .
( d ) 60 % arc heat at the electrode and 40 % arc heat at the work . -
Correct Answer - ( a ) 30 % arc heat at the electrode and 70 % arc heat
at the work .


7. True or False ? Torches for gas tungsten arc welding are always
water cooled .
( a ) True
( b ) False - Correct Answer - ( b ) False


8. Which method for arc starting with gas tungsten arc welding has the
highest cost ?

,( a ) Scratch method
( b ) Contact method / Lift Start
( c ) High frequency method
( d ) Pulse method - Correct Answer - ( b ) Contact method / Lift Start


9. True or False ? An advantage of the gas tungsten arc welding process
is that it is considered a low - hydrogen process .
( a ) True
( b ) False - Correct Answer - ( a ) True


10. One percent lanthanated tungsten electrodes for use with GTAW
process are colour coded :
( a ) green .
( b ) black .
( c ) yellow .
( d ) red . - Correct Answer - ( b ) black


11. True or False ? Electrodes used for gas tungsten arc welding are
classified under CSA Standard W48 using the designations in CAN / ISO
14341 .
( a ) True
( b ) False - Correct Answer - ( b ) False


12. A limitation of shielded metal arc welding with alternating current is
the :
( a ) lower currents .
( b ) low maintenance .
( c ) low cost .
( d ) risk of electrocution . - Correct Answer - ( d ) risk of electrocution .

, 13. What type of power source output is used for shielded metal arc
welding ?
( a ) Constant voltage
( b ) Constant current
( c ) Variable voltage
( d ) Pulsed current - Correct Answer - ( b ) Constant current


14. A well designed SMAW electrode holder should :
( a ) be water cooled .
( b ) heat rapidly
( c ) be properly insulated .
( d ) be heavy to conduct current . - Correct Answer - ( c ) be properly
insulated .


15. What does the " 49 " indicate in the electrode designation E4918 -
X?
( a ) 49 MPa minimum tensile strength
( b ) 49,000 psi minimum yield strength
( c ) 490 MPa minimum tensile strength
( d ) 49,000 minimum tensile strength - Correct Answer - ( c ) 490 MPa
minimum tensile strength


16. True or False ? SMAW electrodes are imprinted with the electrode
classification at the end of the electrode away from the grip end .
( a ) True
( b ) False - Correct Answer - ( b ) False


17. Which of the following is a function of the SMAW core wire ?