WELDABILITY OF STEEL - Practice Mode

1) How is the scale and oxide removed from stainless steel weld?
Correct Answer: Heating up to 9500 to 11000C and quenched in water
2) What makes for the buckling of weld joint, in stainless steel during cooling?
Correct Answer: Low thermal conductivity
3) What is the name of short weld made prior to the welding to hold the plates in perfect alignment?
Correct Answer: Tack weld
Explanation:

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4) What type of defect will occur due to evaporation of the trapped gas from the liquid metal?
Correct Answer: Porosity
5) Which welding the slag inclusion defect will occur?
Correct Answer: Manual metal arc welding