Power Systems Operating time of pumped storage plant is low high can't say very high low high can't say very high ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 400/5. The pick up value is 15 A 6.25 A 10 A 12.5 A 15 A 6.25 A 10 A 12.5 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Buchholz relay is used for protection of bus bar. transformer. alternator. none of these. bus bar. transformer. alternator. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The commercial sources of energy are wood, animal wastes and agricultural wastes. fossile fuels and radioactive substances. none of above. solar, wind, biomass. wood, animal wastes and agricultural wastes. fossile fuels and radioactive substances. none of above. solar, wind, biomass. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is an impulse turbine Francis turbine. Pelton turbine. None of above. Kaplan turbine. Francis turbine. Pelton turbine. None of above. Kaplan turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The voltage and current instantaneous values are given as 5 sin (ωt + 30°) pu and 2 sin (ωt - 15°) pu respectively. Find the per unit active power? 3.535 pu 7 pu 5.353 pu 5 pu 3.535 pu 7 pu 5.353 pu 5 pu ANSWER DOWNLOAD EXAMIANS APP