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Theory of Machine

Theory of Machine
Which of the following mechanism is obtained from lower pair?

Pantograph
Valve and valve gears
Gyroscope
All of these

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Theory of Machine
A flywheel is fitted to the crankshaft of an engine having W as the amount of indicated work per revolution and permissible limits of coefficient of fluctuation of energy and speed as CE and CS respectively. The kinetic energy of the flywheel is given by

W CE / CS
W CS / 2CE
2 W CE / CS
W CE / 2CS

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Theory of Machine
The power from the engine to the rear axle of an automobile is transmitted by means of

Worm and worm wheel
Spur gears
Hooke's joint
Bevel gears

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Theory of Machine
The Coriolis component of acceleration depends upon

Both (A) and (B)
None of these
Angular velocity of the link
Velocity of slider

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Theory of Machine
For simple harmonic motion of the of follower, a cosine curve represents

All of these
Acceleration diagram
Velocity diagram
Displacement diagram

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Theory of Machine
Longitudinal vibrations are said to occur when the particles of a body moves

Parallel to its axis
None of these
In a circle about its axis
Perpendicular to its axis

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