Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 45 kA. 35 kA. 50 kA. 55 kA. 45 kA. 35 kA. 50 kA. 55 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The specific speeds of Kaplan, Francis and Pelton turbines are in neither increasing nor decreasing order. the increasing order. None of these the decreasing order. neither increasing nor decreasing order. the increasing order. None of these the decreasing order. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power output of a nuclear power station is proportional to square of the rate at which fission reaction occurs. square root of the rate at which fission reaction occurs. the rate at which fission reaction occurs. none of above. square of the rate at which fission reaction occurs. square root of the rate at which fission reaction occurs. the rate at which fission reaction occurs. none of above. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Characteristics of arc quenching medium is/are All of these High dielectric strength Non flammable High thermal conductivity All of these High dielectric strength Non flammable High thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Power Systems The commercial sources of energy are none of above. fossile fuels and radioactive substances. wood, animal wastes and agricultural wastes. solar, wind, biomass. none of above. fossile fuels and radioactive substances. wood, animal wastes and agricultural wastes. solar, wind, biomass. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 Km long transmission line is loaded at 110 kV. If the loss of line is 5 MW and the load is 150 VA the resistance of the line is 4.65 Ω / phase. 2.26 Ω / phase. 6.06 Ω / phase. 8.06 Ω / phase. 4.65 Ω / phase. 2.26 Ω / phase. 6.06 Ω / phase. 8.06 Ω / phase. ANSWER DOWNLOAD EXAMIANS APP
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