Manufacturing And Production Technology
Threading is an operation of

Cutting helical grooves on the external cylindrical surface
Producing a hole by removing metal along the circumference of a hollow cutting tool
Smoothing and squaring the surface around a hole
Sizing and finishing a small diameter hole

ANSWER DOWNLOAD EXAMIANS APP

Manufacturing And Production Technology
In a shaper, the length of stroke is increased by

Increasing the length of the arm
Decreasing the length of the slot in the slotted lever
Increasing the centre distance of bull gear and crank pin
Decreasing the centre distance of bull gear and crank pin

ANSWER DOWNLOAD EXAMIANS APP