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