Electrical Machines Which of the following voltage regulation method is accurate ? ZPF method Synchronous impedance method MMf method American standard association method ZPF method Synchronous impedance method MMf method American standard association method ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements are correct ? A small value of leakage reactance will increase the maximum power output of motor. The leakage reactance of the induction motor should be small. Both 1 and 2. None of these A small value of leakage reactance will increase the maximum power output of motor. The leakage reactance of the induction motor should be small. Both 1 and 2. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines As compared to DOL starting, a cage induction motor with star-delta starting shall have more starting torque. more starting time. smoother acceleration. reduced starting current. more starting torque. more starting time. smoother acceleration. reduced starting current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At slip s = 1 torque developed in machine is none. maximum torque. starting torque. electromagnetic torque. none. maximum torque. starting torque. electromagnetic torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an induction motor, what is the ratio of rotor input to rotor copper loss? 1/S 1-S S 1/(1-S) 1/S 1-S S 1/(1-S) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. What is the slip value? 0.4 0.02 0.2 0.04 0.4 0.02 0.2 0.04 ANSWER DOWNLOAD EXAMIANS APP
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