Power Systems Which of the following insulator is practically used for railway crossings? string insulator pin insulator All of these strain insulator string insulator pin insulator All of these strain insulator ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical mass is maximum mass of fissionable material required to sustain a chain reaction. minimum mass of fissionable material required to sustain chain reaction. none of these. a mass of fissionable material required to stop a chain reaction. maximum mass of fissionable material required to sustain a chain reaction. minimum mass of fissionable material required to sustain chain reaction. none of these. a mass of fissionable material required to stop a chain reaction. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of pumped storage plants is/are All of these operating time is minimum most economical as a peak load supply plant used as load frequency control All of these operating time is minimum most economical as a peak load supply plant used as load frequency control ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 25 MVA, 11 kV alternator is supplying full load at a point of 0.75 lagging. Determine the percentage increase in earning capacity when it is operated at improved power factor of 0.96 lagging. None of above 14 %. 28 %. 56 %. None of above 14 %. 28 %. 56 %. 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? 2500 A 100 A 250 A 200 A 2500 A 100 A 250 A 200 A ANSWER DOWNLOAD EXAMIANS APP
Power Systems Peak load power plants is/are nuclear plants diesel plant both 1 and 2 pumped storage plant nuclear plants diesel plant both 1 and 2 pumped storage plant ANSWER DOWNLOAD EXAMIANS APP
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