Theory of Machine
In a simple harmonic motion, the velocity vector with respect to displacement vector

Leads by 90°
Lags by 90°
Is in phase
Leads by 180°

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
When a mass of a critically damped single degree of freedom system is deflected from its equilibrium position and released, then it will

Oscillate with decreasing amplitude
Return to equilibrium position without oscillation
Oscillate with constant amplitude
Oscillate with increasing time period

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
In a mechanism, the fixed instantaneous centers are those centers which

Vary with the configuration of the mechanism
Moves as the mechanism moves, but joints are of permanent nature
Remain in the same place for all configurations of the mechanism
None of the listed here

ANSWER DOWNLOAD EXAMIANS APP