Q.31 Which of the following atmospheric action is to be occurs during welding process? A. oxidizing action B. Nitriding action C. Both A and B D. carbon mono oxide is evolved Ans.: C Q.32 What is Read More …
Category: WELDING
UTILIZATION MCQ_04(WELDING)
Q.16 Which of the following is/are electrical properties of an arc? A. Blow effect at edges B. Blow effect due to ground currents in the work-piece C. Arc stability and Arc blow D. all of the Read More …
UTILIZATION_03(WELDING)
Q.01 Joining of two metals by heating is called___ A. heating B. welding C. purification of metals D. all of the above Ans.: B Q.02 Branch of welding in which electric current is used to produce the Read More …