Electrical Machines Open circuit test on transformer gives hysteresis loss copper loss eddy current loss both 1and 2 hysteresis loss copper loss eddy current loss both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for swing action which motor is preferred? AC slip ring IM. Reluctance motor. Capacitor type induction motors. DC series motor. AC slip ring IM. Reluctance motor. Capacitor type induction motors. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 440 V, 3-phase, 10 pole and 50 HZ synchronous motor delivering a torque of 50 N-m, delivers a power of 500W 3000W 1000W 100W 500W 3000W 1000W 100W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines With the increases in field excitation of a DC generator, its generated emf decreases. increases. remains constant. increases upto a limit and then remains almost constant. decreases. increases. remains constant. increases upto a limit and then remains almost constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which method is less recommendable for induction motor starting in the industries? Direct online starting. Stator resistance starting. Rotor resistance starting. Auto transformer starting. Direct online starting. Stator resistance starting. Rotor resistance starting. Auto transformer starting. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The use of double squirrel cage winding on the rotor provides reduced starting torque. a large starting torque. low noise. higher efficiency. reduced starting torque. a large starting torque. low noise. higher efficiency. ANSWER DOWNLOAD EXAMIANS APP
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