Power Systems Operating time of pumped storage plant is very high high can't say low very high high can't say low ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 100 MVA alternator operating at full load at 50 Hz. H = 4 MWsec/MVA, Td = 0.5 sec. One of the transmission line is tripped. So that output of generator is reduced to 70 MW. Find the frequency deviation during this time? 0.92 0.56 -0.56 -0.92 0.92 0.56 -0.56 -0.92 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relays is/are unit protection relays? both 1 and 2 over current relays Differential relays Buccholz relays both 1 and 2 over current relays Differential relays Buccholz relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission line positive sequence reactance Xs +2 Xm Xm - Xs Xs - Xm 2Xs + Xm Xs +2 Xm Xm - Xs Xs - Xm 2Xs + Xm ANSWER DOWNLOAD EXAMIANS APP
Power Systems The receiving end voltage for a long line under no load condition is more than the sending end voltage less than the sending end voltage any of the above equal to the sending end voltage more than the sending end voltage less than the sending end voltage any of the above equal to the sending end voltage ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a transformer is loaded, the secondary terminal voltage gains. That means power factor is lagging. unity. leading. zero. lagging. unity. leading. zero. ANSWER DOWNLOAD EXAMIANS APP
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