For the following questions answer them individually
In arc welding, eyes need to be protected against:-
The main criterion for selection of electrode diameter in arc welding is:-
Open circuit voltage for arc welding is of the order of:-
Which of the following is not a casting defect?
The chief advantage of die casting is:-
For mounting several patterns at a time, which of the following type of pattern is used?
Casting process is preferred for parts having ______.
Holes in parts which have been hardened by heat treatment can be finished to accurate size only by:-
A grinding wheel gets glazed due to:-
Which of the following is the not a natural abrasive?