Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 1. 0.54. 0.3. 0.7. 1. 0.54. 0.3. 0.7. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a 3 - Φ induction motor is clockwise when it is supplied with 3 - Φ sinusoidal voltage having phase sequence A - B - C. For counterclockwise rotation of motor, the phase sequence of the supply should be C - A - B. B - C - A. B - C - A or C - A - B. A - C - B. C - A - B. B - C - A. B - C - A or C - A - B. A - C - B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a fault at the terminal of a synchronous generator, the fault current is maximum for a line to line fault. line to ground fault. 3 - phase to ground fault. 3 - phase fault. line to line fault. line to ground fault. 3 - phase to ground fault. 3 - phase fault. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A single phase transformer when supplied from 220 V, 50 Hz has eddy current loss of 50 W. If the transformer is connected voltage of 330 V, 75 Hz, the eddy current loss will be 75 W 50 W 168.75 W 112.5 W 75 W 50 W 168.75 W 112.5 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Commutator in DC generator is used for reduce losses collecting of current convert AC armature current in to DC increase efficiency reduce losses collecting of current convert AC armature current in to DC increase efficiency ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. What is the slip value? 0.02 0.04 0.2 0.4 0.02 0.04 0.2 0.4 ANSWER DOWNLOAD EXAMIANS APP
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