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

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

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Theory of Machine
A governor is said to be stable, if the

Radius of rotation of balls increases as the equilibrium speed increases
Radius of rotation of balls decreases as the equilibrium speed decreases
Radius of rotation of balls decreases as the equilibrium speed increases
Radius of rotation of balls increases as the equilibrium speed decreases

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Theory of Machine
A body in motion will be subjected to Coriolis acceleration when that body is

In plane rotation with variable velocity
In plane motion which is a resultant of plane translation and rotation
In plane translation with variable velocity
Restrained to rotate while sliding over another body

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