Workshop Technology
In a four high rolling mill, the diameter of backing up rolls is ________ the diameter of working rolls.

Equal to
Larger than
None of these
Smaller than

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
Lancing is the operation of

Cutting a sheet of metal in a straight line along the length
Cutting a sheet of metal through part of its length and then bending the cut portion
Removal of metal to the desired shape from the edge of a plate
Bending a sheet of metal along a curved axis

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
For arc welding

Any one of these
Alternating current with low frequency is used
Direct current is used
Alternating current with high frequency is used

ANSWER DOWNLOAD EXAMIANS APP