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Theory of Machine

Theory of Machine
A mechanism consisting of four links is called a __________ mechanism.

None of these
Binary
Compound
Simple

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Theory of Machine
The equivalent length of a simple pendulum which gives the same frequency as a compound pendulum is

h/(kG² + h²)
(kG² + h²)/h
(kG² + h²)/h²
h²/(kG² + h²)

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Theory of Machine
In a four stroke I.C. engine, the turning moment during the compression stroke is

Positive during major portion of the stroke
Negative throughout
Positive throughout
Negative during major portion of the stroke

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Theory of Machine
When a point moves along a straight line, its acceleration will have

Coriolis component only
Radial and tangential components both
Radial component only
Tangential component only

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Theory of Machine
Klein's construction is useful to determine

Acceleration of various parts
Angular acceleration of various parts
Velocity of various parts
Displacement of various parts

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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)

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

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