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Theory of Machine

Theory of Machine
The locus of a point on a thread unwound from a cylinder will be

A circle
A straight line
Cycloidal
Involute

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Theory of Machine
The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as

Magnification factor
Logarithmic decrement
Damping factor
Damping coefficient

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Theory of Machine
The sense of Coriolis component is such that it

Is along the sliding velocity vector
Leads the sliding velocity vector by 180°
Leads the sliding velocity vector by 90°
Lags the sliding velocity vector by 90°

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Theory of Machine
Rectilinear motion of piston is converted into rotary by

Cross head
Gudgeon pin
Slider crank
Connecting rod

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Theory of Machine
When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move the ship towards port side.

Downward
Forward
Backward
Upward

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Theory of Machine
Frequency of vibrations is usually expressed in

Number of cycles per minute
Number of cycles per second
Number of cycles per hour
None of these

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