Power Systems Which of the following is/are the effects of corona charging current increases All of these interference decreases power loss decreases charging current increases All of these interference decreases power loss decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reflector of a nuclear reactor are made up of beryllium. cast iron. steel. boron. beryllium. cast iron. steel. boron. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The surge impedance of a 400 km long overhead transmission line is 420 Ω. For a 200 km length of the same line, the surge impedance will be 840 Ω 210 Ω 400 Ω 420 Ω 840 Ω 210 Ω 400 Ω 420 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems A steam power generation has an overall efficiency of 20 %. 0.6 Kg of coal is burnt per kWh of electrical energy generated. Calculated the calorific value of fuel 7562 KCal / Kg. 7166.67 KCal / Kg. 7268.45 KCal / Kg. 7000 KCal / Kg. 7562 KCal / Kg. 7166.67 KCal / Kg. 7268.45 KCal / Kg. 7000 KCal / Kg. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For complete protection of 3-phase system from the short circuit faults minimum number of relays required are three one six two three one six two ANSWER DOWNLOAD EXAMIANS APP
Power Systems Differential relays does not used for which of the following faults? both 1 and 2 through faults faults within a generator faults within a transformer both 1 and 2 through faults faults within a generator faults within a transformer ANSWER DOWNLOAD EXAMIANS APP