Theory of Machine In order to balance the reciprocating masses, None of these Both (A) and (B) Primary forces and couples must be balanced Secondary forces and couples must be balanced None of these Both (A) and (B) Primary forces and couples must be balanced Secondary forces and couples must be balanced ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whirling speed of the shaft is the speed at which Combination of transverse and longitudinal vibration occurs Torsional vibrations occur Shaft tends to vibrate in longitudinal direction Shaft tends to vibrate vigorously in transverse direction Combination of transverse and longitudinal vibration occurs Torsional vibrations occur Shaft tends to vibrate in longitudinal direction Shaft tends to vibrate vigorously in transverse direction ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Which of the following is a pendulum type governor? Watt governor Porter governor None of these Hartnell governor Watt governor Porter governor None of these Hartnell governor ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A shaft has two heavy rotors mounted on it. The transverse natural frequencies, considering each of the rotor separately, are 100 Hz and 200 Hz respectively. The lowest critical speed is 9,360 r.p.m. 12,000 r.p.m. 5,367 r.p.m. 6,000 r.p.m. 9,360 r.p.m. 12,000 r.p.m. 5,367 r.p.m. 6,000 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine When the pitching of a ship is __________ the effect of gyroscopic couple acting on it will be to move the ship towards port side. Downward Upward Backward Forward Downward Upward Backward Forward ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a simple harmonic motion, the velocity vector with respect to displacement vector Is in phase Lags by 90° Leads by 180° Leads by 90° Is in phase Lags by 90° Leads by 180° Leads by 90° ANSWER DOWNLOAD EXAMIANS APP