Question No : 8
In arc welding, the electric arc is produced between the work and the electrode by
Question No : 9
Riddle is used for
Question No : 10
The fullers are used
Question No : 11
The surface to be left unmachined is marked on the pattern by
Question No : 12
In welding copper alloys with TIG arc welding
Question No : 13
In forehand welding, the angle between the welding torch and the work is ________ as compared to backhand welding.
Question No : 14
A three high rolling mill consists of three rolls placed one above the other. Which of the following statement is correct?