Theory of Machine
Balancing of rotating and reciprocating parts of an engine is necessary when it runs at

Moderate speed
Any one of these
Highs peed
Slow speed

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
Oscillate with decreasing amplitude
Return to equilibrium position without oscillation

ANSWER DOWNLOAD EXAMIANS APP