Weldability of Steel MCQ with Answers

Weldability of Steel MCQ with Answers

101) How is the scale and oxide removed from stainless steel weld?

Answer is:

Heating up to 9500 to 11000C and quenched in water

102) What makes for the buckling of weld joint, in stainless steel during cooling?

Answer is:

Low thermal conductivity

103) What is the name of short weld made prior to the welding to hold the plates in perfect alignment?

Answer is:

Tack weld

104) What type of defect will occur due to evaporation of the trapped gas from the liquid metal?

Answer is:

Porosity

105) Which welding the slag inclusion defect will occur?

Answer is:

Manual metal arc welding