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 function of draft tube is reaction turbine is to increase flow rate of water. reduce water hammer. convert kinetic energy of water. all of above. increase flow rate of water. reduce water hammer. convert kinetic energy of water. all of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A thermal protection switch is used to provide protection against temperature. over voltage. overload. short circuit. temperature. over voltage. overload. short circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For head and low discharge the water turbine used Francis turbine. Pelton wheel. propeller turbine. Kaplan wheel. Francis turbine. Pelton wheel. propeller turbine. Kaplan wheel. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The VSWR of transmission line is Directly proportional to voltage minimum and inversely proportional to voltage maximum. Directly proportional to characteristic impedance and inversely to load impedance. Directly proportional to load impedance and inversely to characteristic impedance. Proportional to load and characteristic impedance. Directly proportional to voltage minimum and inversely proportional to voltage maximum. Directly proportional to characteristic impedance and inversely to load impedance. Directly proportional to load impedance and inversely to characteristic impedance. Proportional to load and characteristic impedance. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5100 MVA. 5500 MVA. 5200 MVA. 5000 MVA. 5100 MVA. 5500 MVA. 5200 MVA. 5000 MVA. ANSWER DOWNLOAD EXAMIANS APP
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