Power Systems Half life is defined as the time required to spiliting of a heavy nucleus. the time required for full of atoms in a specimen disintegrate. none of above. the time required for one half of isotope to decay. the time required to spiliting of a heavy nucleus. the time required for full of atoms in a specimen disintegrate. none of above. the time required for one half of isotope to decay. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 1- phase transmission line operating at 30 kV has radius of 1 cm and distance between conductors is 0.5 m. Assume m = δ =1, g = 21 kV/cm and frequency f = 50 Hz. Find the critical disruptive voltage? 17.32 kV/phase 82.15 kV/phase 34.64 kV/phase 41.075 kV/phase 17.32 kV/phase 82.15 kV/phase 34.64 kV/phase 41.075 kV/phase ANSWER DOWNLOAD EXAMIANS APP
Power Systems The use of high speed circuit breakers increased the short circuit current. decrease system stability. reduces the short circuit current. improves system stability. increased the short circuit current. decrease system stability. reduces the short circuit current. improves system stability. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Capacitance voltage transformer ( CVT ) is used to connect instruments on the LT side. improve the power factor of the transmission. reduce losses in a transmission line. none of these. connect instruments on the LT side. improve the power factor of the transmission. reduce losses in a transmission line. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The 1st nuclear plant in world was commissioned in U.K. UAE. U.S.S.R. U.S.A. U.K. UAE. U.S.S.R. U.S.A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will both 2 and 3 reduce the heat reduce the thermal efficiency increase the thermal efficiency both 2 and 3 reduce the heat reduce the thermal efficiency increase the thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
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