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