Electrical Machines A DC generator without commutator is a induction motor DC generator DC motor AC generator induction motor DC generator DC motor AC generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a transformer to be tested at full load conditions but consuming only losses from the main, we do back to back test OC and SC tests None of these load test back to back test OC and SC tests None of these load test ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on which of the following? Core loss component. Shaft torque. Rotor speed. Synchronous speed. Core loss component. Shaft torque. Rotor speed. Synchronous speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If we increase the rotor reactance value, the maximum torque will None of these decrease increase not changed None of these decrease increase not changed ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole DC generator runs at 1500 rpm. The frequency of current in the armature winding is: 50 Hz. Zero Hz. 25 Hz. 100 Hz. 50 Hz. Zero Hz. 25 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following methods are suitable for the speed control of squirrel cage induction motor? 1. Voltage control. 2. Frequency control. 3. Pole changing method. 4. Rotor resistance control select the correct answer using the codes given below:- 1, 2 and 3. 1, 3 and 4. 2, 3 and 4. 2 and 4. 1, 2 and 3. 1, 3 and 4. 2, 3 and 4. 2 and 4. ANSWER DOWNLOAD EXAMIANS APP
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