Electrical Machines In applied voltage is reduced in a dc shunt motor Full load torque. Full load current. Full load speed. None of these. Full load torque. Full load current. Full load speed. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For satisfactory parallel operation of two transformers which of the following conditions is most essential, polarities of all transformers must be same. MVA rating of all transformer inversely proportional to impedance. voltage ratio of all transformers must be same. percentage impedance of all transformers must be same. polarities of all transformers must be same. MVA rating of all transformer inversely proportional to impedance. voltage ratio of all transformers must be same. percentage impedance of all transformers must be same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following pairs is/are correct? open slot----- leakage flux is less semi closed slot-----leakage flux is moderate closed slot----- leakage flux is high All of these open slot----- leakage flux is less semi closed slot-----leakage flux is moderate closed slot----- leakage flux is high All of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Demagnetization effects which of the following? both B and C reduces the terminal voltage reduction in main field flux commutation both B and C reduces the terminal voltage reduction in main field flux commutation ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Iron losses in a DC machine are independent of variation in voltage. load. speed. speed and voltage. voltage. load. speed. speed and voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is expensive for same Kw output rates? AC single phase motor. Synchronous motor. DC Shunt Motor Induction motor. AC single phase motor. Synchronous motor. DC Shunt Motor Induction motor. ANSWER DOWNLOAD EXAMIANS APP
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