When would you measure the minimum preheat temperature? a) On completion of each pass b) Immediately prior to commencing the first pass and subsequent passes c) When the welding is complete d) Minimum preheat temperature measurement is only required if the heat input is lower than that specified in WPS

When would you measure the minimum preheat temperature?  
a) On completion of each pass  
b) Immediately prior to commencing the first pass and subsequent passes
c) When the welding is complete  
d) Minimum preheat temperature measurement is only required if the heat input is lower than that specified in WPS
by

1 Answer

Answer :

b) Immediately prior to commencing the first pass and subsequent passes
by

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