Theory of Machine
The motion of a shaft in a circular hole is an example of

Successfully constrained motion
None of these
Incompletely constrained motion
Completely constrained motion

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Theory of Machine
Angle of descent of cam is defined as the angle

Through which the cam rotates during the period in which the follower remains in the highest position
During which the follower returns to its initial position
Of rotation of the cam for a definite displacement of the follower
Moved by the cam from the instant the follower begins to rise, till it reaches its highest position

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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
No lubricant between the journal and the bearing
A forced lubricant between the journal and the bearing
A thick film of lubricant between the journal and the bearing

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