Power Systems Which of the following statements is/are true? Corona is reduced by decreasing the supply frequency increasing the radius of the conductor All of these increasing the distance between the conductor decreasing the supply frequency increasing the radius of the conductor All of these increasing the distance between the conductor ANSWER DOWNLOAD EXAMIANS APP
Power Systems In nuclear power plants which material is/are used as coolant? beryllium liquid sodium graphite All of these beryllium liquid sodium graphite All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The SWR on a lossless transmission line of the characteristic impedance 100 ohm is 3. The line is the terminated by A resistance of j100/3 ohm. A resistance of 100/3 ohm. A resistance of j300 ohm. A resistance of 100 ohm. A resistance of j100/3 ohm. A resistance of 100/3 ohm. A resistance of j300 ohm. A resistance of 100 ohm. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum demand of a consumer is 2 kW and corresponding daily energy consumption is 30 units. What is the corresponding load factor? 62.5% 75% 25% 50.5% 62.5% 75% 25% 50.5% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Oxide film arrestor has which of the following properties? Does not require daily charging. Installed at points of transmission line where daily visit is difficult. Both A and B. It is expensive. Does not require daily charging. Installed at points of transmission line where daily visit is difficult. Both A and B. It is expensive. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mechanical energy is supplied to a DC generator at the rate of 4200 J / S. The generator delivers 32.2 Amp at 120 V. How much energy is cost per minute of operation 20160 J. 20060 J. 23060 J. 25060 J. 20160 J. 20060 J. 23060 J. 25060 J. ANSWER DOWNLOAD EXAMIANS APP
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