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Theory of Machine

Theory of Machine
The critical speed of a shaft depends upon its

Mass
Mass and stiffness
Stiffness and eccentricity
Stiffness

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Theory of Machine
Relationship between the number of links (L) and number of pairs (P) is

P = 2L - 2
P = 2L - 4
P = 2L + 2
P = 2L + 4

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Theory of Machine
When a rigid body is suspended vertically and it oscillates with a small amplitude under the action of the force of gravity, the body is known as

Torsional pendulum
Simple pendulum
Second's pendulum
Compound pendulum

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Theory of Machine
A body will begin to move down an inclined plane, if the angle of inclination of the plane is ________ the angle of friction.

Less than
Greater than
None of these
Equal to

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Theory of Machine
The example of completely constrained motion is a

Motion of a piston in the cylinder of a steam engine
All of these
Motion of a shaft with collars at each end in a circular hole
Motion of a square bar in a square hole

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Theory of Machine
Elements of pairs held together mechanically is known as

Closed pair
Mechanical pair
Open pair
Rolling pair

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