Mechanical Engineering :: Theory of Machine
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In a steam engine, the link constitutes a
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The secondary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is
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In a kinematic chain, a quaternary joint is equivalent to
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For dynamic balancing of a shaft
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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)
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Which of the following is an example of a higher pair ?
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The velocity of a flat-faced follower when it has contact with the flank of a circular arc cam, is given by
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Which of the following property of the instantaneous centre is correct ?
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μ W R cosec α 
μ W R cosec α 
μ W R cosec α |
A.
A rigid link rotates instantaneously relative to another link at the instantaneous centre for the configuration of the mechanism considered.
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B.
The two rigid links have no linear velocity relative to each other at the instantaneous centre.
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C.
The velocity of the instantaneous centre relative to any third rigid link is same whether the instantaneous centre is regarded as a point on the first rigid link or on the second rigid link.
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D.
all of the above
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