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Theory of Machine

Theory of Machine
Shaft revolving in a bearing is the following type of pair

Spherical pair
Lower pair
Cylindrical pair
Higher pair

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Theory of Machine
The acceleration of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by

ω² (R - r₁) cosθ
ω² (R - r₁) sinθ
ω² R cosθ
ω² r₁ sinθ

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Theory of Machine
The gear train usually employed in clocks is a

Differential gear
Simple gear train
Sun and planet gear
Reverted gear train

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Theory of Machine
In a locomotive, the maximum magnitude of the unbalanced force along the perpendicular to the line of stroke, is known as

None of these
Hammer blow
Swaying couple
Tractive force

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Theory of Machine
A watt's governor can work satisfactorily at speeds from

100 to 200 r.p.m.
200 to 300 r.p.m.
80 to 100 r.p.m.
60 to 80 r.p.m.

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Theory of Machine
________ is an inversion of Double slider crank chain.

Hand pump
Reciprocating engine
Coupling rod of a locomotive
Scotch yoke mechanism

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