Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 500/5. The plug setting multiplier for a fault current of 5 kA is 8 2 5 6 8 2 5 6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Highest pressure generating pump inside the thermal plant is All of these low pressure heater boiler feed pump high pressure heater All of these low pressure heater boiler feed pump high pressure heater ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power capacity of a transmission line can be increased by decreasing reactance value nether 1 nor 2 either 1 or 2 increasing voltage level decreasing reactance value nether 1 nor 2 either 1 or 2 increasing voltage level ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading of a line is increased by which of the following compensation methods? both 1 and 2 series capacitor shunt reactor shunt capacitor both 1 and 2 series capacitor shunt reactor shunt capacitor ANSWER DOWNLOAD EXAMIANS APP
Power Systems Oxide film arrestor has which of the following properties? Both A and B. Does not require daily charging. Installed at points of transmission line where daily visit is difficult. It is expensive. Both A and B. Does not require daily charging. Installed at points of transmission line where daily visit is difficult. It is expensive. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses? 102.5 95.5 85.5 105.2 102.5 95.5 85.5 105.2 ANSWER DOWNLOAD EXAMIANS APP
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