Electrical Machines High starting torque and low starting current is the advantage of hysteresis motor. stepper motor. slip ring induction motor. squirrel cage induction motor. hysteresis motor. stepper motor. slip ring induction motor. squirrel cage induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of these types of motor is self starting? None of these. Single phase induction motor. Poly-phase synchronous machine. Poly-phase induction motor. None of these. Single phase induction motor. Poly-phase synchronous machine. Poly-phase induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward-Leonard control is basically a ___________ control method. Armature voltage control. Field control. Field diverter control. Armature resistance control. Armature voltage control. Field control. Field diverter control. Armature resistance control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor must started on no load because it would Draw more current without producing sufficient torque. Fail to start without load. Not develop starting torque. Run at dangerously high speed. Draw more current without producing sufficient torque. Fail to start without load. Not develop starting torque. Run at dangerously high speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following DC motors will have percentage increase of input current for the same percentage increase in torque? Cummulative compound. Differntical compound. Series. Shunt. Cummulative compound. Differntical compound. Series. Shunt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An auto transformer having a transformation ratio of 0.8 supplies a load pf 10 KW. The power transfered inductively from the primary to secondary is 8 KW. 10 KW. 2 KW. 0. 8 KW. 10 KW. 2 KW. 0. ANSWER DOWNLOAD EXAMIANS APP