In order to have
a connecting rod equally strong in buckling about X-axis and Y-axis,
the moment of inertia about X-axis should be __________ the moment of
inertia about Y-axis.

A spring is used to

A parallel sunk key, made of steel, is equally strong in shearing and crushing.

In designing thick cylinders, the equation used is

The radial distance from the __________ to the clearance circle is called working depth.

In designing a flange coupling, the pitch circle diameter of bolts is taken as (where d = Diameter of the shaft)

Teflon is used for bearings because of

The taper on cotter and slot is made on both the sides.