Theory of Machine
In a turning moment diagram, the variations of energy above and below the mean resisting torque line is called

Maximum fluctuation of energy
None of the listed here
Coefficient of fluctuation of energy
Fluctuation of energy

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Theory of Machine
In a hydrodynamic journal bearing, there is

A very thin film of lubricant between the journal and the bearing such that there is contact between the journal and the bearing
A forced lubricant between the journal and the bearing
No lubricant between the journal and the bearing
A thick film of lubricant between the journal and the bearing

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Theory of Machine
The magnitude of velocities of the points on a rigid link is

Inversely proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center
Directly proportional to the distance from the points to the instantaneous center and is perpendicular to the line joining the point to the instantaneous center
Directly proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center
Inversely proportional to the distance from the points to the instantaneous center and is parallel to the line joining the point to the instantaneous center

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