Theory of Machine In order to facilitate starting of locomotive in any position, the cranks of a locomotive with two cylinders, are placed at 120° to each other 90° to each other 180° to each other 45° to each other 120° to each other 90° to each other 180° to each other 45° to each other ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine Whirling speed of the shaft is the speed at which Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction Torsional vibrations occur Shaft tends to vibrate in longitudinal direction Combination of transverse and longitudinal vibration occurs Shaft tends to vibrate vigorously in transverse direction Torsional vibrations occur Shaft tends to vibrate in longitudinal direction ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The secondary unbalanced force is __________ the primary unbalanced force. Two-third n times One-half 1/n times Two-third n times One-half 1/n times ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The swaying couple is maximum or minimum when the angle of inclination of the crank to the line of stroke (θ) is equal to 180° and 270° 90° and 180° 270° and 360° 45° and 225° 180° and 270° 90° and 180° 270° and 360° 45° and 225° ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine The partial balancing means All of these Best balancing of engines Balancing partially reciprocating masses Balancing partially revolving masses All of these Best balancing of engines Balancing partially reciprocating masses Balancing partially revolving masses ANSWER DOWNLOAD EXAMIANS APP
Theory of Machine A machine mounted on a single coil spring has a period of free vibration of tp . If the spring is cut into four equal parts and placed in parallel and the machine is mounted on them, then the period of free vibration of the new system will become 16 tp tp /4 tp /16 4 tp 16 tp tp /4 tp /16 4 tp ANSWER DOWNLOAD EXAMIANS APP