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The cold cracking susceptibility of the heat affected zone in an arc weld is influenced by
P. Entrapped hydrogen
Q. Residual stresses
R. Martensitically transformation
S. Slag inclusion
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- P and S
- P, Q and S
- P, Q and R
- R and S
Correct Option: C
Entrapped hydrogen creates obstacle in the diffusion of Carbon in interstitial site.
