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Theory of Machine

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

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

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Theory of Machine
The mechanism in which two are turning pairs and two are sliding pairs, is called a

All of these
Elliptical trammel
Double slider crank chain
Scotch yoke mechanism

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Theory of Machine
A friction circle is a circle drawn when a journal rotates in a bearing. Its radius depends upon the coefficient of friction and the

Magnitude of the forces on journal
Angular velocity of journal
Clearance between journal and bearing
Radius of journal

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Theory of Machine
Which gear train is used for higher velocity ratios in a small space?

Simple gear train
Epicyclic gear train
Reverted gear train
Compound gear train

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Theory of Machine
In gramophones for adjusting the speed of the turntable, the following type of governor is commonly employed

Hartung governor
Pickering governor
Inertia governor
Wilson Hartnell governor

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Theory of Machine
Coriolis component acts

Perpendicular to sliding surfaces
Along sliding surfaces
Somewhere in between above two
None of these

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