Electrical Machines Number of slip rings in 3-phase synchronous motor will be 1 3 or 4 0 2 1 3 or 4 0 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For larger units high torque it is preferred to use Partial motor. DC shunt motor. Universal motor. Slip induction motor. Partial motor. DC shunt motor. Universal motor. Slip induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 4 pole, 50 Hz induction motor 4 % slip, calculate frequency of the rotor emf? 3 Hz. 2 Hz. 50 Hz. 10 Hz. 3 Hz. 2 Hz. 50 Hz. 10 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A smaller air gap in a induction motor helps to reduce the chance of cogging. increase the starting torque. reduce the chance of crawling. reduce the magnetizing current. reduce the chance of cogging. increase the starting torque. reduce the chance of crawling. reduce the magnetizing current. 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. cogging. crawling. harmonics. resonance. cogging. crawling. harmonics. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque developed in IM is nearly proportional to 1 / V2. 1 / V. V2. V. 1 / V2. 1 / V. V2. V. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS