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Theory of Machine

Theory of Machine
If the opposite links of a four bar linkage are equal, the links will always form a

Rectangle
Pentagon
Triangle
Parallelogram

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Theory of Machine
When there is a reduction in amplitude over every cycle of vibration, then the body is said to have

Damped vibration
Free vibration
Under damped vibration
Forced vibration

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Theory of Machine
The partial balancing means

Balancing partially reciprocating masses
Best balancing of engines
All of these
Balancing partially revolving masses

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Theory of Machine
Which of the following is a lower pair?

Both (A) and (B) above
Ball and socket i
Cam and follower
Piston and cylinder

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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

2.22 mm
3.0 mm
2 mm
2.50 mm

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Theory of Machine
The power transmitted by a belt is maximum when the maximum tension in the belt is _________ of centrifugal tension.

Three times
Double
One-third
Two-third

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MORE MCQ ON Theory of Machine

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