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

Under damped
Critically damped
Over damped
Without vibrations

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
When the belt is stationary, it is subjected to some tension known as initial tension. The value of this tension is equal to the

Sum of the tensions on the tight side and slack side of the belt
Tension in the slack side of the belt
Tension in the tight side of the belt
Average tension of the tight side and slack side of the belt

ANSWER DOWNLOAD EXAMIANS APP