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Theory of Machine

Theory of Machine
A cam with a roller follower would constitute following type of pair

Open pair
Close pair
Higher pair
Lower pair

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Theory of Machine
The ratio of the maximum displacement of the forced vibration to the deflection due to the static force, is known as

Logarithmic decrement
Damping factor
Damping coefficient
Magnification factor

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Theory of Machine
The frictional torque transmitted in a flat pivot bearing with assumption of uniform pressure is _________ as compared to uniform wear.

More
Same
Less
None of the listed here

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Theory of Machine
The mechanism forms a structure, when the number of degrees of freedom (n) is equal to

1
-1
2

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Theory of Machine
The maximum value of the pressure angle in case of cam is kept as

20°
14°
30°
10°

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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

3.0 mm
2.22 mm
2 mm
2.50 mm

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