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Theory of Machine

Theory of Machine
The lower pairs are _________ pairs.

Friction closed
None of these
Force-closed
Self-closed

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Theory of Machine
A point on a link connecting double slider crank chain traces a

Ellipse
Parabola
Circle
Hyperbola

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Theory of Machine
The Whitworth quick return motion mechanism is formed in a slider crank chain when the

Smallest link is a fixed link
Coupler link is fixed
Longest link is a fixed link
Slider is a fixed link

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Theory of Machine
When one of the links of a kinematic chain is fixed, the chain is known as a

Machine
Structure
Mechanism
Inversion

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Theory of Machine
The frictional torque transmitted in a conical pivot bearing, considering uniform wear, is

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

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Theory of Machine
When the body is suspended at the point of suspension, its periodic time and frequency will be ________ as compared to the body suspended at the point of percussion.

Same
None of these
Four times
Two times

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