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Theory of Machine

Theory of Machine
In a vibrating system, if the actual damping coefficient is 40 N/m/s and critical damping coefficient is 420 N/m/s, then logarithmic decrement is equal to

0.8
0.4
0.6
0.2

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Theory of Machine
A slider crank chain consists of following numbers of turning and sliding pairs

1, 3
2, 2
4, 0
3, 1

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Theory of Machine
Cylindrical cams can be classified as

None of these
Reciprocating
Circular
Tangent

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Theory of Machine
Whitworth quick return mechanism is obtained by inversion of

Five link mechanism
Kinematic chain
Slider crank mechanism
Roller cam mechanism

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Theory of Machine
The purpose of a link is to

Guide other links
Act as a support
Transmit motion
All of these

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Theory of Machine
An involute pinion and gear are in mesh. If both have the same size of addendum, then there will be an interference between the

Tip of the gear tooth and flank of pinion
Flanks of both gear and pinion
Tip of both gear and pinion
Tip of the pinion and flank of gear

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