## Theory of Machine The velocity of any point in mechanism relative to any other point on the mechanism on velocity polygon is represented by the line

Joining the corresponding points
At 45° to line as per (A)
Not possible to determine with these data
Perpendicular to line as per (A)

## Theory of Machine Which of the following is an inversion of a double slider crank chain?

All of these
Elliptical trammel
Oldham's coupling
Scotch yoke mechanism

## Theory of Machine Inertia force acts

Opposite to the direction of acceleration force
Along the direction of acceleration force
Perpendicular to the acceleration force
None of the listed here

## Theory of Machine A spring controlled governor is said to be isochronous when the controlling force

Increases as the radius of rotation increases
Remain constant for all radii of rotation
Increases as the radius of rotation decreases
Decreases as the radius of rotation increases

## Theory of Machine In higher pair, the relative motion is

Purely sliding
Purely turning
Combination of sliding and turning
Purely rotary

## Theory of Machine When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be

To move the ship towards port side
To raise the stern and lower the bow
To raise the bow and lower the stern
To move the ship towards starboard