CWB WELDING INSPECTOR LEVEL 3 EXAM |
NEWEST ACTUAL EXAM COMPREHENSIVE
QUESTIONS AND VERIFIED ANSWERS
GRADED A+ | 100% PASS | 2025 UPDATE!
Which of the following alloys would you expect to give the highest risk
of hot cracking?
(a) Al-0.1%Cu
(b) Al-3%Cu
(c) Al-8%Cu - ✔✔✔ Correct Answer > (b)
Which of the following metals is likely to need the greatest degree of
shielding from the atmosphere during welding?
(a) copper
(b) lead
(c) titanium
(d) steel
(e) gold - ✔✔✔ Correct Answer > (c)
If centerline solidification cracking is occuring in welding a structural
steel what is a likely cause?
(a) electrical extension too long
, (b) arc voltage too high
(c) welding current and speed too high
(d) weld too large - ✔✔✔ Correct Answer > (c)
What elements are included in electrodes or fluxes to control porosity
in steel welds?
(a) silicon, aluminum, manganese
(b) copper, nickel, molybdenum
(c) sulphur, phosphorus, selenium
(d) silica, alumina, magnesia - ✔✔✔ Correct Answer > (a)
What is the most likely cause of porosity in aluminum welds?
(a) hydrogen
(b) nitrogen
(c) argon
(d) oxygen - ✔✔✔ Correct Answer > (a)
How can porosity due to nitrogen be controlled in welding nickel? -
✔✔✔ Correct Answer > By using filler metal containing titanium.
What is the most likely cause of porosity in carbon steel welds?
(a) hydrogen from reduction of water
NEWEST ACTUAL EXAM COMPREHENSIVE
QUESTIONS AND VERIFIED ANSWERS
GRADED A+ | 100% PASS | 2025 UPDATE!
Which of the following alloys would you expect to give the highest risk
of hot cracking?
(a) Al-0.1%Cu
(b) Al-3%Cu
(c) Al-8%Cu - ✔✔✔ Correct Answer > (b)
Which of the following metals is likely to need the greatest degree of
shielding from the atmosphere during welding?
(a) copper
(b) lead
(c) titanium
(d) steel
(e) gold - ✔✔✔ Correct Answer > (c)
If centerline solidification cracking is occuring in welding a structural
steel what is a likely cause?
(a) electrical extension too long
, (b) arc voltage too high
(c) welding current and speed too high
(d) weld too large - ✔✔✔ Correct Answer > (c)
What elements are included in electrodes or fluxes to control porosity
in steel welds?
(a) silicon, aluminum, manganese
(b) copper, nickel, molybdenum
(c) sulphur, phosphorus, selenium
(d) silica, alumina, magnesia - ✔✔✔ Correct Answer > (a)
What is the most likely cause of porosity in aluminum welds?
(a) hydrogen
(b) nitrogen
(c) argon
(d) oxygen - ✔✔✔ Correct Answer > (a)
How can porosity due to nitrogen be controlled in welding nickel? -
✔✔✔ Correct Answer > By using filler metal containing titanium.
What is the most likely cause of porosity in carbon steel welds?
(a) hydrogen from reduction of water
