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Theory of Machine

Theory of Machine
A shaft carrying three rotors will have

Three nodes
One node
No node
Two nodes

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Theory of Machine
In a mechanism, usually one link is fixed. If the fixed link is changed in a kinematic chain, then relative motion of other links

Could change or remain unaltered depending on which link is fixed
Will change
Will remain same
Will not occur

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Theory of Machine
The natural frequency of free transverse vibrations due to uniformly distributed load acting over a simply supported shaft is (where δS = Static deflection of simply supported shaft due to uniformly distributed load)

0.6253/ √δS
0.571/ √δS
0.4985/ √δS
0.5615/ √δS

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

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

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Theory of Machine
Transmission angle is the angle between

Output link and coupler
Input link and fixed link
Output link and fixed link
Input link and coupler

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

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

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