Electrical Machines Which motor cannot be started on no load? both B and C shunt motors series motors cumulative compound motors both B and C shunt motors series motors cumulative compound motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines It is advisable to start a DC series motor with some load to Avoid sparking. Limit the current. Limit the flux. Limit the speed. Avoid sparking. Limit the current. Limit the flux. Limit the speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following will vary the maximum torque? None of these rotor resistance R both 1 and 2 rotor reactance X None of these rotor resistance R both 1 and 2 rotor reactance X ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor has synchronous speed of 1500 rpm. What will be the slip when it is running at a speed of 1450 rpm? +3% +3.33% -3.33% -3% +3% +3.33% -3.33% -3% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Star - delta method of starting of motor is not possible in case of low horse power motor. single phase induction motor. high speed motor. high torque motor. low horse power motor. single phase induction motor. high speed motor. high torque motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Hysteresis loss will depends on f³ f1.6 f f² f³ f1.6 f f² ANSWER DOWNLOAD EXAMIANS APP