Power Systems A transmission line has self and mutual impedances are 0.8 and 0 pu respectively. Find the positive, negative and zero sequence impedances respectively? 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 0.6 pu 0.6, 0.8 and 1.2 pu 0.6, 0.6 and 1.2 pu 0.8, 0.8 and 0.8 pu 0.6, 0.6 and 0.6 pu 0.6, 0.8 and 1.2 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Frequencies must be same in which of the following line to exchange the power from one place to other place ? Synchronous line Asynchronous line both 1 and 2 No need of same frequency for exchange of power Synchronous line Asynchronous line both 1 and 2 No need of same frequency for exchange of power ANSWER DOWNLOAD EXAMIANS APP
Power Systems In nuclear power plants which material is/are used as coolant? liquid sodium beryllium graphite All of these liquid sodium beryllium graphite All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical disruptive voltage is a voltage at which corona is just initiated nether 1 nor 2 corona is visible with blue or violet colour both 1 and 2 corona is just initiated nether 1 nor 2 corona is visible with blue or violet colour both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used to All of these reduce the tension increase the sag reduce the vibrations at the point of support All of these reduce the tension increase the sag reduce the vibrations at the point of support ANSWER DOWNLOAD EXAMIANS APP
Power Systems Among the following which is not non conventional energy Wind. Tidal. Geothermal. Nuclear. Wind. Tidal. Geothermal. Nuclear. ANSWER DOWNLOAD EXAMIANS APP
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