Theory of Machine
The direction of linear velocity of any point on a link with respect to another point on the same link is

None of the listed here
At 45° to the link joining the points
Parallel to the link joining the points
Perpendicular to the link joining the points

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Theory of Machine
In the below figure, PC is the connecting rod and OC is the crank making an angle θ with the line of stroke PO and rotates with uniform angular velocity at ω rad/s. The Klien's acceleration diagram for determining the acceleration of the piston P is shown by quadrilateral CQNO, if N coincides with O, then

Acceleration of the piston P is maximum and its velocity is zero
Acceleration and velocity of the piston P is maximum
Acceleration of the piston P is zero and its velocity is maximum
Acceleration and velocity of the piston P is zero

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Theory of Machine
A thin circular disc is rolling with a uniform linear speed, along a straight path on a plane surface. Which of the following statement is correct in this regard?

The centre of the disc has centrifugal acceleration
The centre of the disc has zero acceleration
The point on the disc making contact with the plane surface has zero acceleration
All points of the disc have the same velocity

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

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

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