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Theory of Machine

Theory of Machine
In a coupling rod of a locomotive, each of the four pairs is a ________ pair.

Rolling
Screw
Turning
Sliding

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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.

Four times
Same
Two times
None of these

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Theory of Machine
The radial distance from the top of a tooth to the bottom of a tooth in a meshing gear, is called

Dedendum
Clearance
Addendum
Working depth

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Theory of Machine
If the pressure angle is __________, a reciprocating follower will jam in its bearings.

Too large
Too small
Large
Small

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Theory of Machine
The natural frequency of free transverse vibrations due to uniformly distributed load acting over a simply supported shaft is (where δS = Static deflection of simply supported shaft due to uniformly distributed load)

0.4985/ √δS
0.6253/ √δS
0.5615/ √δS
0.571/ √δS

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Theory of Machine
The ratio of maximum fluctuation of speed to the mean speed is called

Coefficient of fluctuation of speed
None of these
Maximum fluctuation of speed
Fluctuation of speed

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