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Theory of Machine

Theory of Machine
When one of the links of a kinematic chain is fixed, the chain is known as a

Mechanism
Machine
Structure
Inversion

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Theory of Machine
The ratio of maximum fluctuation of energy to the work-done per cycle is called

Maximum fluctuation of energy
None of these
Fluctuation of energy
Coefficient of fluctuation of energy

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Theory of Machine
The minimum force required to slide a body of weight W on a rough horizontal plane is

W cosecθ
W cosθ
W sinθ
W tanθ

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Theory of Machine
In a steam engine, the link constitutes a

Piston, piston rod and cross-head
Crank pin, crankshaft and flywheel
All of these
Connecting rod with big and small end brasses, caps and bolts

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Theory of Machine
When the sleeve of a Porter governor moves upwards, the governor speed

Decreases
Increases
Remain unaffected
First increases and then decreases

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Theory of Machine
Pulley in a belt drive acts as

Turning pair
Sliding pair
Rolling pair
Cylindrical pair

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