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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

2E²CS
2ECS
2ECS²
EC S/2

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Theory of Machine
A pantograph is a mechanism with

Turning pairs
Rolling pairs
Higher pairs
Lower pairs

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Theory of Machine
Under logarithmic decrement, the amplitude of successive vibrations are

In arithmetic progression
In geometric progression
Constant
In logarithmic progression

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Theory of Machine
The example of completely constrained motion is a

All of these
Motion of a piston in the cylinder of a steam engine
Motion of a shaft with collars at each end in a circular hole
Motion of a square bar in a square hole

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Theory of Machine
Typewriter constitutes

Mechanism
Structure
Inversion
Machine

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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 mm
2.22 mm
3.0 mm
2.50 mm

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