Electrical Machines A 20KVA auto transformer, turn ratio is 0.8. Find the power transferred conductively? 20KVA 16KVA 4KVA 0KVA 20KVA 16KVA 4KVA 0KVA ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two identical loss less series motors connected in series across a dc supply voltage, runs at speed of N1 and N2, then ratio of their output power is N1 : N2. 1 : 1. none. N12 : N22. N1 : N2. 1 : 1. none. N12 : N22. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC series motor is accidentally connected to single phase ac supply voltage. The torque produced will be pulsating and unidirectional None of these steady and unidirectional oscillating pulsating and unidirectional None of these steady and unidirectional oscillating ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The shaft torque of a dc motor is less than the electromagnetic torque because of mechanical losses. ohmic losses. eddy current losses. hysteresis losses. mechanical losses. ohmic losses. eddy current losses. hysteresis losses. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following generators negative voltage regulation can occur? over compound generator shunt generator series generators both B and C over compound generator shunt generator series generators both B and C ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A short circuit test on a transformer gives copper loss at full load. copper loss at any load. copper loss at over load. copper loss at half load. copper loss at full load. copper loss at any load. copper loss at over load. copper loss at half load. ANSWER DOWNLOAD EXAMIANS APP
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