Electrical Machines Transformer core is laminated to reduce both 1 and 2. copper loss. eddy current loss. hysteresis loss. both 1 and 2. copper loss. eddy current loss. hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for hoisting and lowering which type of motor is preferred? Single phase induction motor. AC slip ring motor. DC series motor. Synchronous motor. Single phase induction motor. AC slip ring motor. DC series motor. Synchronous motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In field flux method speed control of DC Motor is constant hp drive below the base speed. constant power drive above base speed. constant torque drive below the base speed. constant torque drive above the base speed. constant hp drive below the base speed. constant power drive above base speed. constant torque drive below the base speed. constant torque drive above the base speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft of induction motor may be unbalanced due to poor lubrication. overheating of winding. overload. uneven air gap. poor lubrication. overheating of winding. overload. uneven air gap. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines DC machine windings are None of these short pitched either of these full pitched None of these short pitched either of these full pitched ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 500 V, 120 KW, 50 Hz, star connected synchronous motor operating at 0.8 power factor leading has full load efficiency of 91%. The armature resistance is equal to 0.08Ω. The magnitude of armature current is nearly equal to 240 A. 127 A. 190 A. 173 A. 240 A. 127 A. 190 A. 173 A. ANSWER DOWNLOAD EXAMIANS APP
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