Theory of Machine
If the damping factor for a vibrating system is unity, then the system will be

Over damped
Without vibrations
Under damped
Critically damped

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
Pitch point on a cam is

The point on cam pitch curve having the maximum pressure angle
Any point on pitch circle
Any point on pitch curve
The point on cam pitch curve having the minimum pressure angle

ANSWER DOWNLOAD EXAMIANS APP