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Theory of Machine

Theory of Machine
The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed.

Difference
Sum
Ratio
Product

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Theory of Machine
The example of successfully constrained motion is a

Piston reciprocating inside an engine cylinder
Motion of an I.C. engine valve
Motion of the shaft between a footstep bearing
All of these

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Theory of Machine
The number of links in pantograph mechanism is equal to

3
5
4
2

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Theory of Machine
The ratio of the driving tensions for V-belts is __________ times that of flat belts.(Where β = Semi-angle of the groove)

sinβ
cosβ
cosecβ
secβ

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Theory of Machine
Length of arc of contact is given by

Arc of approach × Arc of recess
Arc of approach - Arc of recess
Arc of approach / Arc of recess
Arc of approach + Arc of recess

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Theory of Machine
The acceleration of the particle moving with simple harmonic motion is _________ at the mean position.

None of these
Minimum
Maximum
Zero

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