Electrical Machines which of the following losses are negligible in blocked rotor test? both A and B copper loss iron loss mechanical loss both A and B copper loss iron loss mechanical loss ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In travelling cranes for hoisting and lowering which type of motor is preferred? AC slip ring motor. Synchronous motor. Single phase induction motor. DC series motor. AC slip ring motor. Synchronous motor. Single phase induction motor. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Series booster is a separately excited DC generator. series wound DC generator. shunt wound DC generator. permanent magnet DC generator. separately excited DC generator. series wound DC generator. shunt wound DC generator. permanent magnet DC generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Fufuraldehyde analysis is done to determine the condition of lamination on CRGO steel sheet. condition of oil in transformer. condition of paper insulation in transformer. condition of cork gaskets used in transformer. condition of lamination on CRGO steel sheet. condition of oil in transformer. condition of paper insulation in transformer. condition of cork gaskets used in transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC machine has an armature resistance 1Ω. If the full load current is 20 A, the difference of induced voltage and generator is 20 V. 60 V. 40 V. 0 V. 20 V. 60 V. 40 V. 0 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In alternator, the rotary part is magnetic field poles. core. armature. none of these. magnetic field poles. core. armature. none of these. ANSWER DOWNLOAD EXAMIANS APP
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