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Theory of Machine

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

2ECS²
EC S/2
2ECS
2E²CS

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Theory of Machine
When the crank is at the outer dead centre, in a reciprocating steam engine, then the acceleration of the piston will be

ω² r {n/(n - 1)}
ω² r {(n - 1)/n}
ω² r {(n + 1)/n}
ω² r {n/(n + 1)}

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Theory of Machine
A shaft has an attached disc at the centre of its length. The disc has its centre of gravity located at a distance of 2 mm from the axis of the shaft. When the shaft is allowed to vibrate in its natural bow-shaped mode, it has a frequency of vibration of 10 rad/s. When the shaft is rotated at 300 r.p.m., it will whirl with a radius of

2.50 mm
3.0 mm
2.22 mm
2 mm

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Theory of Machine
The purpose of a link is to

Transmit motion
Act as a support
All of these
Guide other links

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Theory of Machine
Typewriter constitutes

Structure
Inversion
Mechanism
Machine

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Theory of Machine
The flank of the tooth is the surface of the tooth __________ the pitch surface.

Above
None of these
Below
At

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