Power Systems Which of the following materials is/are used as moderators? heavy water beryllium All of these graphite heavy water beryllium All of these graphite 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 H 2 mH 15.9 mH 2 H 15.9 H 2 mH 15.9 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems Plug setting of a relay can be altered by varying none of these. air gap of magnetic path. adjustable back up stop. no. of ampere-turns. none of these. air gap of magnetic path. adjustable back up stop. no. of ampere-turns. 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 if the shunt admittances at the buses are ignored always if both 2 and 3 are satisfied if the mutual couplings between transmission lines are absent if the shunt admittances at the buses are ignored always if both 2 and 3 are satisfied ANSWER DOWNLOAD EXAMIANS APP
Power Systems Non-commercial sources of energy are None of these wood, animal wastes and agricultural wastes. solar, wind and biomass. fossil fuel, hydro power and nuclear power. None of these wood, animal wastes and agricultural wastes. solar, wind and biomass. fossil fuel, hydro power and nuclear power. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The characteristic impedance of a transmission on line is Independent of its length. Directly proportional to its length. Inversely proportional to its length. Directly proportional to square root of its length. Independent of its length. Directly proportional to its length. Inversely proportional to its length. Directly proportional to square root of its length. ANSWER DOWNLOAD EXAMIANS APP