Electrical Machines The reduced air gap results in an increase starting torque. power factor. breaking torque. cost of operation. starting torque. power factor. breaking torque. cost of operation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under operating conditions the rotor conductor should be _________________ in induction motor. always closed. none. semi closed or semi opened. always opened. always closed. none. semi closed or semi opened. always opened. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous speed of an induction motor will be increased by decreasing of frequency. increasing number of poles. speed can not be increased. increasing of frequency. decreasing of frequency. increasing number of poles. speed can not be increased. increasing of frequency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 0.3. 0.54. 1. 0.7. 0.3. 0.54. 1. 0.7. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor the 7th harmonic torque may make the motor rotate at (1 / 7)th synchronous speed. This is called resonance. harmonics. cogging. crawling. resonance. harmonics. cogging. crawling. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS