Power Systems Transmission lines are transposed to reduce skin effect ferranti effect proximity effect interference with neighbouring communication lines skin effect ferranti effect proximity effect interference with neighbouring communication lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems For flat voltage profile system, voltage regulation is 50% any of the above 100% 0% 50% any of the above 100% 0% ANSWER DOWNLOAD EXAMIANS APP
Power Systems An impulse turbine makes use of a draft tube. is most suited for low head and high discharge power plants. always operates submerged. operates by initial complete conversion to kinetic energy. makes use of a draft tube. is most suited for low head and high discharge power plants. always operates submerged. operates by initial complete conversion to kinetic energy. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω is connected with the cable having surge impedance of 40 Ω, a surge magnitude of 100 kV is travelling from the transmission line towards the cable. Find the incident current? 200 A 100 A 250 A 2500 A 200 A 100 A 250 A 2500 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Differential relay Buchholz relay Over fluxing relay Over current relay Differential relay Buchholz relay Over fluxing relay Over current relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power generated by two plants are; P1 = 50 MW, P2 = 40 MW. If the loss coefficients are B11 = 0.001, B22 = 0.0025 and B12 = -0.0005, then power loss will be 5.5 MW 6.5 MW 8.5 MW 4.5 MW 5.5 MW 6.5 MW 8.5 MW 4.5 MW ANSWER DOWNLOAD EXAMIANS APP