Theory of Machine
The primary unbalanced force is maximum when the angle of inclination of the crank with the line of stroke is

90° and 180°
0° and 180°
180° and 360°
0° and 90°

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Theory of Machine
A body in motion will be subjected to Coriolis acceleration when that body is

In plane rotation with variable velocity
In plane translation with variable velocity
Restrained to rotate while sliding over another body
In plane motion which is a resultant of plane translation and rotation

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