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Theory of Machine

Theory of Machine
An automobile steering gear is an example of

Sliding pair
Lower pair
Rolling pair
Higher pair

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Theory of Machine
The Whitworth quick return motion mechanism is formed in a slider crank chain when the

Smallest link is a fixed link
Longest link is a fixed link
Coupler link is fixed
Slider is a fixed link

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Theory of Machine
If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then energy stored in the latter at the same speed will be

Four times the first one
One and a half times the first one
One fourth of the first one
Same as the first one

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Theory of Machine
The frictional torque transmitted in a conical pivot bearing, considering uniform pressure, is (where R = Radius of shaft, and α = Semi-angle of the cone)

(3/4) μ W R cosecα
(1/2) μ W R cosecα
(2/3) μ W R cosecα
μ W R cosecα

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Theory of Machine
Torsional vibrations are said to occur when the particles of a body moves

In a circle about its axis
None of these
Perpendicular to its axis
Parallel to its axis

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Theory of Machine
In a spring controlled governor, when the controlling force ____ as the radius of rotation increases, it is said to be a stable governor.

Decreases
Increases
None of the listed here
Remains constant

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