Theory of Machine
Which type of gear train is used in clock mechanism to join hour hand and minute hand?

Compound gear train
Simple gear train
Epicyclic gear train
Reverted gear train

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Theory of Machine
Hammer blow

Varies inversely with the square of the speed
Is the maximum horizontal unbalanced force caused by the mass provided to balance the reciprocating masses.
Varies as the square root of the speed
Is the maximum vertical unbalanced force caused by the mass added to balance the reciprocating masses

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Theory of Machine
A point B on a rigid link AB moves with respect to A with angular velocity ω rad/s. The total acceleration of B with respect to A will be equal to

Vector sum of radial component and tangential component
Vector difference of radial component and tangential component
Vector sum of tangential component and Coriolis component
Vector sum of radial component and Coriolis component

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