A spring of
stiffness 1000 N/m is streteched initially by 100 mm from the undeformed
position. The work required to stretch it by another 100 mm is

A feather key transmits a turning moment and permits axial movement also.

The parallel fillet welded joints are designed for compressive strength.

In a multiple V-belt drive, if one of the belts break, then

The piston pin bearings in heavy duty diesel engines are

Cast iron pipes are mainly used