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Theory of Machine

Theory of Machine
The cam and follower is an example of

Lower pair
Sliding pair
Higher pair
Rolling pair

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Theory of Machine
Instantaneous center of rotation of a link in a four bar mechanism lies on

Can’t occur
A point obtained by intersection on extending adjoining links
Right side pivot of this link
Left side pivot of this link

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

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

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Theory of Machine
Carnot cycle is

a semi-reversible cycle
a quasi static cycle
an irreversible cycle
a reversible cycle

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Theory of Machine
Torsional vibrations are said to occur when the particles of a body moves

None of these
In a circle about its axis
Parallel to its axis
Perpendicular to its axis

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Theory of Machine
The values of velocity and acceleration of piston at near dead center for a slider-crank mechanism will be

0, and more than co2r
cor, 0
0, and less than coV
0, 0

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