Electrical Machines In a DC Shunt Motor if the load current increases then field flux remains constant. increases. decreases. decreases remains constant. increases. decreases. decreases ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following represents the operating region of slip in a 1-phase induction motor? 0 < S < 1 -2 < S < 2 0 < S < 2 -1 < S < 1 0 < S < 1 -2 < S < 2 0 < S < 2 -1 < S < 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power input to a 3 - φ induction motor is 60 kW and stator loss is 1 kW the rotor cu loss per phase is slip X 69 / 3. slip X 50 / 3. 1. slip X 59 / 3. slip X 69 / 3. slip X 50 / 3. 1. slip X 59 / 3. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following rotor requires damper winding? None of these Cylindrical rotor. Both type rotor. Salient pole rotor. None of these Cylindrical rotor. Both type rotor. Salient pole rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Current in a coil undergoing commutation is not able to get reversed completely by the end of commutation period. It is due to armature emf. coil resistance. reactance voltage induced in the coil. None of these armature emf. coil resistance. reactance voltage induced in the coil. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In electric locomotives which of the following motor are used ? DC series motor. DC compound motor. Synchronous motor. DC Shunt motor. DC series motor. DC compound motor. Synchronous motor. DC Shunt motor. ANSWER DOWNLOAD EXAMIANS APP
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