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Welding
Welding Red Seal Certification
Weld Defects & Quality Assessment
Knowledge Check
Weld Defects & Quality Assessment
Knowledge Check
Knowledge Check
1 / 10
Hydrogen-induced cracking (HAC) in a weld joint typically occurs
A
Hours to days after welding as hydrogen diffuses and residual stresses are present
B
Only in austenitic stainless steel welds
C
Only in the weld metal, never in the heat-affected zone
D
During welding while the weld pool is still liquid
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