Power Systems The main objectives of power system is/are Flexible power has to be available. Reliable power has to be available Cost of electrical energy per KWh is to be minimum All of these Flexible power has to be available. Reliable power has to be available Cost of electrical energy per KWh is to be minimum All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems If L and C are 4 mH and 0.0001 μF respectively a current chop of magnitude 50 Amp would induced a voltage 100 kV. 50 kV. 200 kV. 400 kV. 100 kV. 50 kV. 200 kV. 400 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the percentage reactance of an element is 20 % and the full load current is 50 Amp, the short circuit current will be 250 Amp. 300 Amp. 350 Amp. 200 Amp. 250 Amp. 300 Amp. 350 Amp. 200 Amp. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. 14 %. 28 %. None of above 56 %. 14 %. 28 %. None of above 56 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power plants the size of coal after crushing 40 mm. 20 - 25 mm. 200 - 205 mm. 300 mm. 40 mm. 20 - 25 mm. 200 - 205 mm. 300 mm. ANSWER DOWNLOAD EXAMIANS APP
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