Power Systems Find the number of insulator discs required in string insulator, if operating voltage is 220 kV and maximum voltage of each disc is 11 kV? 21 20 13 10 21 20 13 10 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona charging current increases interference decreases power loss decreases All of these charging current increases interference decreases power loss decreases All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sodium graphite reactors use a mixture of sodium and graphite as moderator. sodium as moderator and graphite as coolant. a mixture of sodium and graphite as coolant. sodium as coolant and graphite as moderator. a mixture of sodium and graphite as moderator. sodium as moderator and graphite as coolant. a mixture of sodium and graphite as coolant. sodium as coolant and graphite as moderator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A loss less transmission line has a length of 600 km, find the phase shift of voltage signal? 36° 42° 45° 90° 36° 42° 45° 90° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission line positive sequence reactance Xm - Xs 2Xs + Xm Xs +2 Xm Xs - Xm Xm - Xs 2Xs + Xm Xs +2 Xm Xs - Xm ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speed of water turbine is the speed at which the turbine develops unit horse power at all heads. unit horse power at unit head. a minimum horse power. maximum horse power. unit horse power at all heads. unit horse power at unit head. a minimum horse power. maximum horse power. ANSWER DOWNLOAD EXAMIANS APP
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