Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. Find the surge impedance loading with compensation? 456 MW 400 MW 386 MW 478 MW 456 MW 400 MW 386 MW 478 MW ANSWER DOWNLOAD EXAMIANS APP
Power Systems A pin type insulator has 100 kV puncture voltage. If 10 kV flash over voltage occurred in a transmission line, then find the safety factor of insulator? 0.1 0.001 10 1000 0.1 0.001 10 1000 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Characteristics of arc quenching medium is/are High dielectric strength Non flammable All of these High thermal conductivity High dielectric strength Non flammable All of these High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Power Systems Efficiency of thermal power plant can be taken as generator efficiency. turbine efficiency. product of efficiencies of all stages. efficiency of thermal cycle. generator efficiency. turbine efficiency. product of efficiencies of all stages. efficiency of thermal cycle. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 55 kA. 45 kA. 35 kA. 50 kA. 55 kA. 45 kA. 35 kA. 50 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Direct conversion of heat energy into electrical energy is possible through Thermal converters. MHD generator. Fuel or solar cell. Both A and C. Thermal converters. MHD generator. Fuel or solar cell. Both A and C. ANSWER DOWNLOAD EXAMIANS APP
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