Power Systems For head and low discharge the water turbine used Francis turbine. propeller turbine. Kaplan wheel. Pelton wheel. Francis turbine. propeller turbine. Kaplan wheel. Pelton wheel. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission line positive sequence reactance Xs - Xm Xm - Xs Xs +2 Xm 2Xs + Xm Xs - Xm Xm - Xs Xs +2 Xm 2Xs + Xm ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called stopping time. settling time. damping time. coasting time. stopping time. settling time. damping time. coasting time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3 core cable gives on test a capacitance of 3.7 µF between two cores. Find the line charging current of the cable when it is connected to 11 kV, 50 Hz system? 14.7 mA. 1 A. 1.476 A. 14.76 A. 14.7 mA. 1 A. 1.476 A. 14.76 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Most commonly used material for insulator is porcelain mica All of these glass porcelain mica All of these glass ANSWER DOWNLOAD EXAMIANS APP
Power Systems The water from a catchment is 60*106 cu m annually and hydro station has head of 40 m. Assuming ideal generator and turbine, the power that can be theoretically generated is 250 kW 500 kW 300 kW 750 kW 250 kW 500 kW 300 kW 750 kW ANSWER DOWNLOAD EXAMIANS APP
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