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Theory of Machine

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

Circle
Hyperbola
Parabola
Ellipse

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Theory of Machine
If there are L number of links in a mechanism, then number of possible inversions is equal to

L - 1
L
L + 1
L + 2

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Theory of Machine
The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to

90° and 180°
45° and 225°
270° and 360°
180° and 270°

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Theory of Machine
The pair is known as a higher pair, when the relative motion between the elements of a pair is

Sliding only
Rolling only
Turning only
Partly turning and partly sliding

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Theory of Machine
The distance by which the __________ of the D-slide valve overlaps the steam port is called exhaust lap.

None of these
Corners
Outer edge
Inner edge

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Theory of Machine
The critical speed of a shaft in revolution per second is __________ as that of natural frequency of transverse vibration.

Unpredictable
Different
None of these
Same

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