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Theory of Machine

Theory of Machine
The locus of a point on a thread unwound from a cylinder will be

A circle
Cycloidal
Involute
A straight line

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Theory of Machine
In a kinematic chain, a quaternary joint is equivalent to

One binary joint
Three binary joints
Four binary joints
Two binary joints

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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
With single Hooke's joint it is possible to connect two shafts, the axes of which have an angular misalignment up to

30°
10°
40°
20°

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Theory of Machine
A mechanism _________ for transmitting or transforming motion.

Can not be used
Can be used
Unpredictable
None of these

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Theory of Machine
The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in

All of these
Transverse vibrations
Torsional vibrations
Longitudinal vibrations

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