Workshop Technology
In piercing operation, the clearance is provided on

Punch
Either on punch or die depending upon designer's choice
Die
Half on the punch and half on the die

ANSWER DOWNLOAD EXAMIANS APP

Workshop Technology
A three high rolling mill consists of three rolls placed one above the other. Which of the following statement is correct?

Any one of the above
The upper and middle rolls rotate in the same direction whereas the bottom roll rotates in opposite direction
The bottom and middle roll rotate in the same direction
The upper and bottom rolls rotate in the same direction whereas the middle roll rotates in opposite direction

ANSWER DOWNLOAD EXAMIANS APP