Electrical Machines For the above problem, find the induced voltage of an alternator of it is to deliver a load of 100 A at power factor of 0.8 lagging with terminal voltage of 200 V. 225 V. 230 V. 220 V. 222 V. 225 V. 230 V. 220 V. 222 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At what power factor, the voltage regulation of a transformer can be zero ? Leading power factor. Zero power factor. Unity power factor. Lagging power factor. Leading power factor. Zero power factor. Unity power factor. Lagging power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A shunt generator is running at 1000 rpm. If flux is reduced by half, then what is the new speed? 1000. 0. 2000. 500. 1000. 0. 2000. 500. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The maximum power developed in cylindrical synchronous machine is occurs at a load angle of less than 90o. 0o. Greater than 90o. 90o. less than 90o. 0o. Greater than 90o. 90o. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/Vt ratio of a DC motor is an indication of starting torque. efficiency. speed regulation. running torque. starting torque. efficiency. speed regulation. running torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is minimized by laminating the core of a transformer? Hysteresis loss. Eddy current loss. Stray loss. Copper loss. Hysteresis loss. Eddy current loss. Stray loss. Copper loss. ANSWER DOWNLOAD EXAMIANS APP
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