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Theory of Machine

Theory of Machine
If two moving elements have surface contact in motion, such pair is known as

Surface pair
Rolling pair
Sliding pair
Higher pair

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Theory of Machine
The frequency of damped vibrations with viscous damping is ________ the frequency of undamped vibrations.

None of these
Less than
Same as
More than

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Theory of Machine
The method of direct and reverse cranks is used in engines for

Balancing of forces and couples
Kinematic analysis
Vibration analysis
The control of speed fluctuations

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Theory of Machine
The example of lower pair is

All of these
Automobile steering gear
Straight line motion mechanisms
Shaft revolving in a bearing

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Theory of Machine
The total number of instantaneous centers for a mechanism consisting of n links are

n
n/2
n(n - 1)/2
n - 1

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Theory of Machine
What is the number of instantaneous centers for an eight link mechanism?

15
30
28
8

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