Power Systems By using guard ring in a transmission line, its string efficiency remains unaffected None of these decrease increase remains unaffected None of these decrease increase ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called damping time. settling time. coasting time. stopping time. damping time. settling time. coasting time. stopping time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following configuration power transferability is higher? same in both configuration None of these triangular configuration horizontal configuration same in both configuration None of these triangular configuration horizontal configuration ANSWER DOWNLOAD EXAMIANS APP
Power Systems Counter poise is used for reduce losses less surge impedance proper discharging of lighting surges more surge impedance reduce losses less surge impedance proper discharging of lighting surges more surge impedance 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 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. A resistance of j100/3 ohm. 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? -18.18 kV 81.82 kV 18.18 kV -81.82 kV -18.18 kV 81.82 kV 18.18 kV -81.82 kV ANSWER DOWNLOAD EXAMIANS APP
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