Electrical Machines The armature resistance of the dc motor is generally of the range 0.1 ohm. 0.5 ohm. 50 ohm. 100 ohm. 0.1 ohm. 0.5 ohm. 50 ohm. 100 ohm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor is, in general analogous to None of these auto transformer. two winding transformer with secondary short circuited. two winding transformer with secondary open circuited. None of these auto transformer. two winding transformer with secondary short circuited. two winding transformer with secondary open circuited. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a 3 - Φ, 4 pole, 50 Hz IM rotating at full load speed of 1440 rpm, calculate speed of rotor field with respect to rotor structure and stator structure respectively? 60, 1440. 50, 1500. 1440, 1500. 60, 1500. 60, 1440. 50, 1500. 1440, 1500. 60, 1500. 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 reactance voltage induced in the coil. armature emf. None of these coil resistance. reactance voltage induced in the coil. armature emf. None of these coil resistance. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following induction motor has the highest starting torque? None of these Same in both induction motors. Slip ring induction motor. Squirrel cage induction motor. None of these Same in both induction motors. Slip ring induction motor. Squirrel cage induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a 3-phase, 4 pole, 50 Hz synchronous motor the frequency, pole number and the frequency are halved. The motor speed will be 375 rpm 3000 rpm 1500 rpm 75 rpm 375 rpm 3000 rpm 1500 rpm 75 rpm ANSWER DOWNLOAD EXAMIANS APP
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