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Theory of Machine

Theory of Machine
In an ideal machine, the output as compared to input is

May be less or more depending on efficiency
Equal
Less
More

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Theory of Machine
When the body is suspended at the point of suspension, its periodic time and frequency will be ________ as compared to the body suspended at the point of percussion.

Two times
None of these
Same
Four times

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Theory of Machine
The Scott-Russell mechanism consists of

Sliding pairs only
Turning and rotary pairs
Sliding and turning pairs
Sliding and rotary pairs

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Theory of Machine
The critical speed of a shaft with a disc supported in between is equal to the natural frequency of the system in

All of these
Longitudinal vibrations
Torsional vibrations
Transverse vibrations

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Theory of Machine
Idler pulley is used

For applying tension
For changing the direction of motion of the belt
For increasing velocity ratio
All of the listed here

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Theory of Machine
The swaying couple is due to the

Partial balancing
Two cylinders of locomotive
Primary unbalanced force
Secondary unbalanced force

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