Power Systems For head and low discharge the water turbine used propeller turbine. Kaplan wheel. Francis turbine. Pelton wheel. propeller turbine. Kaplan wheel. Francis turbine. Pelton wheel. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a biased differential relay the bias is defined as the ratio of operating coil current and restraining coil current. fault current and operating coil current. number of turns of restraining and operating coil. fault current and restraining coil current. operating coil current and restraining coil current. fault current and operating coil current. number of turns of restraining and operating coil. fault current and restraining coil current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The conversion ratio of a breeder reactor is none of above. more than unity. equal to unity. less than unity. none of above. more than unity. equal to unity. less than unity. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission line positive sequence reactance Xm - Xs Xs +2 Xm 2Xs + Xm Xs - Xm Xm - Xs Xs +2 Xm 2Xs + Xm Xs - Xm ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the reflected voltage? -81.82 kV 18.18 kV -18.18 kV 81.82 kV -81.82 kV 18.18 kV -18.18 kV 81.82 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems The arc voltage produced in an AC circuit breaker is always in phase opposition with the arc current. leading the arc current by 90°. in phase with the arc current. lagging the arc current by 90°. in phase opposition with the arc current. leading the arc current by 90°. in phase with the arc current. lagging the arc current by 90°. ANSWER DOWNLOAD EXAMIANS APP
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