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Theory of Machine

Theory of Machine
Cam size depends upon

Base circle
Pitch circle
Outer circle
Prime circle

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Theory of Machine
The frictional torque transmitted in a flat pivot bearing, considering uniform wear, is (where μ = Coefficient of friction, W = Load over the bearing, and R = Radius of bearing surface)

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

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Theory of Machine
The transmissibility, for all values of damping factor, will be less than unity, if ω/ωn is

Equal to 2
Greater than 2
Less than 2
Equal to 1

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

2
4
5
3

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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.

Increases
None of the listed here
Decreases
Remains constant

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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 sinθ
W cosecθ
W tanθ
W cosθ

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