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Theory of Machine

Theory of Machine
The velocity of the rubbing surface __________ with the distance from the axis of the bearing.

None of these
Increases
Remain same
Decreases

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Theory of Machine
The balancing weights are introduced in planes parallel to the plane of rotation of the disturbing mass. To obtain complete dynamic balance, the minimum number of balancing weights to be introduced in different planes is

4
1
2
3

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Theory of Machine
A reed type tachometer use the principle of

Longitudinal vibration
Torsional vibration
Transverse vibration
Damped free vibration

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Theory of Machine
The example of lower pair is

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

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Theory of Machine
A shaft carrying three rotors will have

Three nodes
One node
No node
Two nodes

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Theory of Machine
The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to

90° and 180°
270° and 360°
180° and 270°
45° and 225°

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