Turning pair
Cylindrical pair
Rolling pair
Sliding pair

## Theory of Machine Idler pulley is used

All of the listed here
For increasing velocity ratio
For applying tension
For changing the direction of motion of the belt

## Theory of Machine The height of a Watt's governor is

Inversely proportional to (speed)²
Directly proportional to speed
Inversely proportional to speed
Directly proportional to (speed)²

## Theory of Machine Tangential acceleration direction is

Opposite to angular velocity
Perpendicular to angular velocity
Along the angular velocity
May be any one of these

## Theory of Machine In a radial cam, the follower moves

In a direction perpendicular to the cam axis
Along the cam axis
In any direction irrespective of the cam axis
In a direction parallel to the cam axis

## Theory of Machine If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then energy stored in the latter at the same speed will be

Four times the first one
Same as the first one
One and a half times the first one
One fourth of the first one