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Theory of Machine

Theory of Machine
If there are L number of links in a mechanism, then number of possible inversions is equal to

L - 1
L + 1
L
L + 2

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Theory of Machine
The moment on the pulley which produces rotation is called

Torque
Momentum
Inertia
Moment of momentum

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Theory of Machine
The frictional torque transmitted by a disc or plate clutch is same as that of

Conical pivot bearing
Truncated conical pivot bearing
Flat pivot bearing
Flat collar bearing

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Theory of Machine
In a pantograph, all the pairs are

Spherical pairs
Turning pairs
Self-closed pairs
Sliding pairs

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Theory of Machine
The sense of Coriolis component is such that it

Lags the sliding velocity vector by 90°
Leads the sliding velocity vector by 180°
Leads the sliding velocity vector by 90°
Is along the sliding velocity vector

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Theory of Machine
The maximum or minimum value of the swaying couple is

± c.m.ω².r
± 2a (1 - c) m.ω².r
± (a/√2) (1 - c) m.ω².r
± a (1 - c) m.ω².r

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