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Theory of Machine

Theory of Machine
The amplitude of vibration is always __________ the radius of the circle.

Equal to
Less than
Greater than
None of these

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Theory of Machine
The power of a Porter governor is equal to

[c²/(1 + 2c)] (m + M) g.h
[3c²/(1 + 2c)] (m + M) g.h
[4c²/(1 + 2c)] (m + M) g.h
[2c²/(1 + 2c)] (m + M) g.h

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Theory of Machine
Torsional vibrations are said to occur when the particles of a body moves

None of these
Parallel to its axis
In a circle about its axis
Perpendicular to its axis

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Theory of Machine
In a steam engine, the link constitutes a

Crank pin, crankshaft and flywheel
All of these
Piston, piston rod and cross-head
Connecting rod with big and small end brasses, caps and bolts

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Theory of Machine
With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by

EC S/2
2E²CS
2ECS²
2ECS

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Theory of Machine
The displacement of the D-slide valve is __________ the steam lap by a distance known as lead of the valve.

Less than
None of these
Greater than
Equal to

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