Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt? 9.68 2.63 msec 4.68 msec 1.47 msec 9.68 2.63 msec 4.68 msec 1.47 msec ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will reduce the thermal efficiency increase the thermal efficiency reduce the heat both 2 and 3 reduce the thermal efficiency increase the thermal efficiency reduce the heat both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
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 16. 24. 6. 12. 16. 24. 6. 12. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ships are usually supplied power by Hydraulic turbine. None of above. Diesel engine. Steam accumulator. Hydraulic turbine. None of above. Diesel engine. Steam accumulator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For head and low discharge the water turbine used propeller turbine. Kaplan wheel. Pelton wheel. Francis turbine. propeller turbine. Kaplan wheel. Pelton wheel. Francis turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In Rankine cycle, the work output from a turbine is given by change of enthalpy between inlet and outlet. change of entropy between inlet and outlet. change in internal energy between inlet and outlet. change in temperature between inlet and outlet. change of enthalpy between inlet and outlet. change of entropy between inlet and outlet. change in internal energy between inlet and outlet. change in temperature between inlet and outlet. ANSWER DOWNLOAD EXAMIANS APP
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