Power Systems A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator 24. 12. 16. 6. 24. 12. 16. 6. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage regulation of a line at full load 0.8 power factor is 11. A long transmission line under no load conditions, for a good voltage profile needs shunt resistance at receiving end All of these shunt capacitor at receiving end shunt reactor at receiving end shunt resistance at receiving end All of these shunt capacitor at receiving end shunt reactor at receiving end 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 7166.67 KCal / Kg. 7268.45 KCal / Kg. 7562 KCal / Kg. 7000 KCal / Kg. 7166.67 KCal / Kg. 7268.45 KCal / Kg. 7562 KCal / Kg. 7000 KCal / Kg. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Taking the density of water to be 1000 kg/m³, how much power would be developed by a hydro electric generator unit, assume 100% efficiency, with 1 m head and 1 m³/s discharge? 19.60 kW 9.81 kW 4.45 kW 2.90 kW 19.60 kW 9.81 kW 4.45 kW 2.90 kW ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following insulator is practically used for railway crossings? string insulator pin insulator All of these strain insulator string insulator pin insulator All of these strain insulator ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of gauss siedel method is/are number of iterations are less All of these applicable for large power system network calculation time for each iteration is less number of iterations are less All of these applicable for large power system network calculation time for each iteration is less ANSWER DOWNLOAD EXAMIANS APP
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