Power Systems Which of the following relays is/are unit protection relays? Buccholz relays both 1 and 2 Differential relays over current relays Buccholz relays both 1 and 2 Differential relays over current relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems The per unit value of a 2 ohm resistor at 100 MVA and 10 kV base voltage is 4 pu 0.2 pu 0.5 pu 2 pu 4 pu 0.2 pu 0.5 pu 2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems One million cubic meters of water is stored in a reservoir feeding a water turbine. The density of water is 993 kg/m³. If the centre of mass of water is 50 meters above the turbine and losses are negligible, the energy produced by that volume of water is 130.2 MWhr 120 MWhr 140 MWhr 135.3 MWhr 130.2 MWhr 120 MWhr 140 MWhr 135.3 MWhr ANSWER DOWNLOAD EXAMIANS APP
Power Systems Non-commercial sources of energy are solar, wind and biomass. wood, animal wastes and agricultural wastes. None of these fossil fuel, hydro power and nuclear power. solar, wind and biomass. wood, animal wastes and agricultural wastes. None of these fossil fuel, hydro power and nuclear power. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Find the surge impedance of a line when inductance is 160 mH and capacitance is 1µF? 200 Ω 400 Ω 800 Ω 160 Ω 200 Ω 400 Ω 800 Ω 160 Ω 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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