Theory of Machine Whirling speed of the shaft is the speed at which Shaft tends to vibrate vigorously in transverse direction Shaft tends to vibrate in longitudinal direction Torsional vibrations occur Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction Shaft tends to vibrate in longitudinal direction Torsional vibrations occur Combination of transverse and longitudinal vibration occurs ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In which of the following type of gear train the first gear and the last gear are co-axial. None of the listed here Compound gear train Simple gear train Reverted gear train None of the listed here Compound gear train Simple gear train Reverted gear train ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The mechanism forms a structure, when the number of degrees of freedom (n) is equal to -1 1 2 -1 1 2 ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The critical speed of a shaft in revolution per second is __________ as that of natural frequency of transverse vibration. None of these Unpredictable Same Different None of these Unpredictable Same Different ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine In a steam engine, one method of obtaining the earlier cut-off with a simple slide valve is by increasing the angle of advance of the eccentric while the throw of the eccentric, steam lap and exhaust lap are kept constant. This method will Cause withdrawing or throttling of steam Reduce maximum opening of port to steam Reduce length of effective stroke of piston All of these Cause withdrawing or throttling of steam Reduce maximum opening of port to steam Reduce length of effective stroke of piston All of these ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine With usual notations for different parameters involved, the maximum fluctuations of energy for a flywheel is given by EC S/2 2ECS² 2E²CS 2ECS EC S/2 2ECS² 2E²CS 2ECS ANSWER DOWNLOAD EXAMIANS APP
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