Manufacturing And Production Technology
What is the type of joining process called, where the parts to be welded are kept in contact and rotated relative to each other and axial pressure is applied when the desired temperature is obtained?

Electron beam welding
Friction welding
Forge welding
Ultrasonic welding

ANSWER DOWNLOAD EXAMIANS APP

Manufacturing And Production Technology
Lapping is an operation of

Making a cone-shaped enlargement of the end of a hole
Sizing and finishing a small diameter hole
Smoothing and squaring the surface around a hole
Producing a hole by removing metal along the circumference of a hollow cutting tool

ANSWER DOWNLOAD EXAMIANS APP