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Theory of Machine

Theory of Machine
A slider moves at a velocity v on a link revolving at ω rad/s. The coriolis component of acceleration is

2ωv²
ω²v
2ωv
ωv

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Theory of Machine
Which of the following governor is used to drive a gramophone?

Pickering governor
Hartnell governor
Porter governor
Watt governor

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Theory of Machine
The factional torque for square thread at the mean radius r while raising load W is given by

T = W.r tan(φ - α)
T = W.r tanα
T = W.r tan(φ + α)
T = W.r tanφ

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Theory of Machine
Bifilar suspension method is used to find the

Frequency of vibration of the body
Periodic time of the body
Angular acceleration of the body
Moment of inertia of the body

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Theory of Machine
Hart mechanism has

Twelve links
Eight links
Four links
Six links

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Theory of Machine
The method of obtaining different mechanisms by fixing in turn different links in a kinematic chain, is known as

Machine
Inversion
Structure
Compound mechanism

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