Electrical Machines The current drawn by a DC motor at the time of starting is Very high. Very low. Zero. Normal. Very high. Very low. Zero. Normal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Open circuit in a transformer is prefered with rated transformer voltage direct current rated transformer current high frequency supply rated transformer voltage direct current rated transformer current high frequency supply ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor is not suitable for frequent starting and stopping? Capacitor split phase motor Capacitor run motor All of these Resistance split phase motor Capacitor split phase motor Capacitor run motor All of these Resistance split phase motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machines have highest power factor with respect to magnetizing current? Open slot type machines. Any of the above. Closed slot type machines. Semi closed slot type machine. Open slot type machines. Any of the above. Closed slot type machines. Semi closed slot type machine. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor start capacitor run provides high power factor only. none. high staring torque only. high staring torque and high power factor. high power factor only. none. high staring torque only. high staring torque and high power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of rotating magnetic field of 8 pole 50 Hz induction motor is 1000 rpm 1500 rpm 3000 rpm 750 rpm 1000 rpm 1500 rpm 3000 rpm 750 rpm ANSWER DOWNLOAD EXAMIANS APP
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