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Theory of Machine

Theory of Machine
In S.H.M., the velocity vector w.r.t. displacement vector

Are in phase
Leads by 180°
Lags by 90°
Leads by 90°

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Theory of Machine
The indicator using Watt mechanism is known as

Thompson indicator
Richard indicator
Thomson indicator
Simplex indicator

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Theory of Machine
The D-slide valve is also known as

Inside admission valve
Outside admission valve
None of these
Piston slide valve

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Theory of Machine
The acceleration of the reciprocating roller follower when it has contact with the straight flanks of the tangent cam, is given by

ω². (r₁ + r₂). (1 + cos² θ)
ω². (r₁ r₂). (1 - cos² θ)
ω². (r₁ + r₂). [(2 - cos² θ)/cos³ θ]
ω². (r₁ - r₂). (1 - sin² θ)

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

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

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Theory of Machine
Angular acceleration of a link can be determined by dividing the

All of these
Resultant acceleration with length of link
Centripetal component of acceleration with length of link
Tangential component of acceleration with length of link

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