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Theory of Machine

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

Sum
Difference
Product
Ratio

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Theory of Machine
In a simple harmonic motion, the velocity vector with respect to displacement vector

Is in phase
Leads by 90°
Lags by 90°
Leads by 180°

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Theory of Machine
When the pitching of a ship is upward, the effect of gyroscopic couple acting on it will be

To move the ship towards starboard
To move the ship towards port side
To raise the bow and lower the stern
To raise the stern and lower the bow

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Theory of Machine
The radial distance of a tooth from the pitch circle to the bottom of the tooth is called

Working depth
Clearance
Addendum
Dedendum

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Theory of Machine
If the rotating mass of a rim type flywheel is distributed on another rim type flywheel whose mean radius is half the mean radius of the former, then energy stored in the latter at the same speed will be

One fourth of the first one
Same as the first one
Four times the first one
One and a half times the first one

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Theory of Machine
When the radius of rotation of balls __________ as the equilibrium speed increases, the governor is said to be unstable.

Decreases
Remains constant
None of these
Increases

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