Power Systems In a three-phase system, when the loads are perfectly balanced, the neutral current is one - third of maximum. zero. two - thirds of maximum. one - third of minimum. one - third of maximum. zero. two - thirds of maximum. one - third of minimum. ANSWER DOWNLOAD EXAMIANS APP
Power Systems By using guard ring in a transmission line, its string efficiency decrease remains unaffected None of these increase decrease remains unaffected None of these increase ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following materials can be used as coolant Heavy water. Any of above. CO2. Helium. Heavy water. Any of above. CO2. Helium. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has impedance of (0.005 + j0.05) pu. Find the line at which maximum value of negative DC off set current is produced, if it is applied with Vm cosωt? 2.63 msec 1.47 msec 4.68 msec 9.68 2.63 msec 1.47 msec 4.68 msec 9.68 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (1 + j2 ) pu (2 + j4 ) pu (0.5 + j1 ) pu (4 + j8 ) pu (1 + j2 ) pu (2 + j4 ) pu (0.5 + j1 ) pu (4 + j8 ) pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The average thermal efficiency of a modern nuclear power plant is about 60 %. 80 %. 40 %. 30 %. 60 %. 80 %. 40 %. 30 %. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS