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Theory of Machine

Theory of Machine
The Coriolis component of acceleration leads the sliding velocity by

135°
90°
180°
45°

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Theory of Machine
The Klein's diagram is useful to find

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

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Theory of Machine
The lower pairs are _________ pairs.

None of these
Force-closed
Friction closed
Self-closed

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Theory of Machine
A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is

6,000 r.p.m.
5,367 r.p.m.
12,000 r.p.m.
9,360 r.p.m.

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Theory of Machine
The secondary unbalanced force is __________ the primary unbalanced force.

One-half
n times
1/n times
Two-third

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Theory of Machine
The coefficient of fluctuation of speed is __________ of maximum fluctuation of speed and the mean speed.

Product
Ratio
Sum
Difference

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MORE MCQ ON Theory of Machine

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