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Theory of Machine

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

6
4
2

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Theory of Machine
A cam mechanism imparts following motion

Oscillating
Rotating
Reciprocating
All of these

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Theory of Machine
Critical damping is a function of

Damping coefficient and natural frequency
Mass and natural frequency
Mass and damping coefficient
Mass and stiffness

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Theory of Machine
A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The radial component of the acceleration of B with respect to A, is (where vBA = Linear velocity of B with respect to A)

v²BA /AB
vBA /AB
vBA × AB
v²BA

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Theory of Machine
The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass. To obtain complete dynamic balance, the minimum number of balancing weights to be introduced in different planes is

2
4
3
1

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Theory of Machine
Klein's construction can be used to determine acceleration of various parts when the crank is at

Outer dead centre
Right angles to the link of the stroke
All of the listed here
Inner dead centre

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