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Theory of Machine

Theory of Machine
If the number of links in a mechanism is equal to l, then the numbers of possible inversions are equal to

l
l - 2
l - 1
l + 1

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Theory of Machine
The radius of a friction circle for a shaft rotating inside a bearing is (where r = Radius of shaft, and tan φ = Coefficient of friction between the shaft and bearing)

r sinφ
(r/2) cosφ
r cosφ
r tanφ

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Theory of Machine
Balancing of rotating and reciprocating parts of an engine is necessary when it runs at

Moderate speed
Any one of these
Slow speed
Highs peed

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Theory of Machine
Which of the following disciplines provides study of the relative motion between the parts of a machine and the forces acting on the parts?

Theory of machines
Mechanisms
Kinetics
Applied mechanics

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

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

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Theory of Machine
Which of the following is a higher pair?

Turning pair
Screw pair
Sliding pair
Belt and pulley

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