Power Systems In thermal power stations, economiser will reduce the thermal efficiency increase the thermal efficiency reduce the heat both 2 and 3 reduce the thermal efficiency increase the thermal efficiency reduce the heat both 2 and 3 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following are the fissile materials U238 and Th232. U235 and Th239. U235, U233 and Pu239. None of these. U238 and Th232. U235 and Th239. U235, U233 and Pu239. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the load is short circuited, then reflection coefficient of voltage is 1 -1 0 -2 1 -1 0 -2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following method is used for changing power factor from leading to lagging series capacitor any of the above shunt reactor shunt capacitor series capacitor any of the above shunt reactor shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line is operating under no load has ABCD parameters B = 100∠90° has a phase shift of 0.2 rad, how much shunt reactor is required for compensation of ferranti effect? 2 H 15.9 mH 15.9 H 2 mH 2 H 15.9 mH 15.9 H 2 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero if the mutual couplings between transmission lines are absent always if the shunt admittances at the buses are ignored if both 2 and 3 are satisfied if the mutual couplings between transmission lines are absent always if the shunt admittances at the buses are ignored if both 2 and 3 are satisfied ANSWER DOWNLOAD EXAMIANS APP