Theory of Machine
The example of completely constrained motion is a

Motion of a square bar in a square hole
Motion of a piston in the cylinder of a steam engine
All of these
Motion of a shaft with collars at each end in a circular hole

ANSWER DOWNLOAD EXAMIANS APP

Theory of Machine
In order to give a complete secondary balance of a multi-cylinder inline engine,

The algebraic sum of the secondary forces must be equal to zero
The algebraic sum of the couples about any point in the plane of the secondary forces must be equal to zero
None of these
Both (A) and (B)

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

ANSWER DOWNLOAD EXAMIANS APP