Electrical Machines The torque speed characteristics of a AC servomotor is approximately any of the above parabola linearised hyperbola any of the above parabola linearised hyperbola ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are the methods to reduce the armature reaction and its effects? pole chamfering All of these compensating winding pole stacking pole chamfering All of these compensating winding pole stacking ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a stepper motor the detente torque means maximum of the static torque with the phase winding unexcited. minimum of the static torque with the phase winding excited. maximum of the static torque with the phase winding excited. minimum of the static torque with the phase winding unexcited. maximum of the static torque with the phase winding unexcited. minimum of the static torque with the phase winding excited. maximum of the static torque with the phase winding excited. minimum of the static torque with the phase winding unexcited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In diesel engine, gas engine type of machine contains ___________________ pole type of alternator. none of these. non uniform cylindrical. cylindrical. salient. none of these. non uniform cylindrical. cylindrical. salient. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a single phase transformer the magnitude of leakage reactance is twice that of resistance of both primary and secondary. With secondary short circuited, the input power factor is 2/√5 1/3 1/√2 1/√5 2/√5 1/3 1/√2 1/√5 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single-phase transformer has its maximum efficiency at 60 percent of full load. At full load copper loss will be more than core loss. equal to core loss. zero. less than core loss. more than core loss. equal to core loss. zero. less than core loss. ANSWER DOWNLOAD EXAMIANS APP