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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.

Difference
Product
Ratio
Sum

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Theory of Machine
________ is an inversion of Double slider crank chain.

Hand pump
Reciprocating engine
Coupling rod of a locomotive
Scotch yoke mechanism

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

Gudgeon pin
Cross head
Slider crank
Connecting rod

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Theory of Machine
The rotor of a ship rotates in clockwise direction when viewed from stern and the ship takes a left turn. The effect of gyroscopic couple acting on it will be

To lower the bow and stern
To raise the stern and lower the bow
To raise the bow and stern
To raise the bow and lower the stern

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Theory of Machine
Scotch yoke mechanism is used to generate

Square roots
Inversions
Logarithms
Sine functions

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Theory of Machine
The relation between the controlling force (Fc) and radius of rotation (r) for a stable spring controlled governor is

Fc = ar + b
Fc = a/r + b
Fc = ar - b
Fc = ar

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