Power Systems Transmission line parameters of the short transmission line are 1,Z,Y,1 1,Z,0,1 1,0,Y,1 Z,0,Y,1 1,Z,Y,1 1,Z,0,1 1,0,Y,1 Z,0,Y,1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the preferred type of circuit breaker(CB) to be installed in extra high voltage AC system? Sulphur hexafluoride CB Bulk oil type CB Air blast CB Vacuum CB Sulphur hexafluoride CB Bulk oil type CB Air blast CB Vacuum CB ANSWER DOWNLOAD EXAMIANS APP
Power Systems Buchholz relay is used for protection of transformer. none of these. bus bar. alternator. transformer. none of these. bus bar. alternator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For loss less line, find the ratio of length to the wave length of a signal for a phase shift of 0.05 radians? 2 × 10-3 8 × 10³ 7.95 × 10-3 7.95 × 10³ 2 × 10-3 8 × 10³ 7.95 × 10-3 7.95 × 10³ 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 0.92 0.56 -0.56 -0.92 0.92 0.56 -0.56 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following method is used for changing power factor from leading to lagging shunt reactor any of the above shunt capacitor series capacitor shunt reactor any of the above shunt capacitor series capacitor ANSWER DOWNLOAD EXAMIANS APP