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Theory of Machine

Theory of Machine
When one of the links of a kinematic chain is fixed, the chain is known as a

Machine
Inversion
Mechanism
Structure

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

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

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Theory of Machine
If ‘D₁’ and ‘D₂’ be the diameters of driver and driven pulleys, then belt speed is proportional to

D₁
D₂/D₁
D₁.D₂
D₁/D₂

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Theory of Machine
When there is a reduction in amplitude over every cycle of vibration, then the body is said to have

Forced vibration
Free vibration
Damped vibration
Under damped vibration

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Theory of Machine
The number of centers in a crank driven slider crank mechanism is

4
6
2

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Theory of Machine
If some links are connected such that motion between them can take place in more than one direction, it is called

Completely constrained motion
Successfully constrained motion
Incompletely constrained motion
Partially constrained motion

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