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Theory of Machine

Theory of Machine
An automobile steering gear is an example of

Lower pair
Sliding pair
Rolling pair
Higher pair

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

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Theory of Machine
The Scott-Russell mechanism consists of

Sliding and turning pairs
Sliding pairs only
Sliding and rotary pairs
Turning and rotary pairs

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Theory of Machine
The Coriolis component of acceleration depends upon

None of these
Velocity of slider
Angular velocity of the link
Both (A) and (B)

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Theory of Machine
Angular acceleration of a link can be determined by dividing the

Tangential component of acceleration with length of link
Centripetal component of acceleration with length of link
All of these
Resultant acceleration with length of link

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Theory of Machine
The height of a Watt's governor is

Directly proportional to speed
Inversely proportional to speed
Directly proportional to (speed)²
Inversely proportional to (speed)²

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