Power Systems At slack bus, which one of the following combinations of variables is not specified? P and Q P and V Q and V V and δ P and Q P and V Q and V V and δ ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum demand of a consumer is 2 kW and corresponding daily energy consumption is 30 units. What is the corresponding load factor? 75% 25% 50.5% 62.5% 75% 25% 50.5% 62.5% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Stock bridge dampers are used to All of these increase the sag reduce the tension reduce the vibrations at the point of support All of these increase the sag reduce the tension reduce the vibrations at the point of support ANSWER DOWNLOAD EXAMIANS APP
Power Systems Operating cost of thermal power station is less than that of diesel power plant. is the same as that of nuclear power plant. less than that of hydroelectric power plant. less than that of nuclear power plant. less than that of diesel power plant. is the same as that of nuclear power plant. less than that of hydroelectric power plant. less than that of nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has surge impedance of 400 Ω, operating at Vs = Vr = 400 kV line is compensated with a shunt capacitance of 30%. The line is connected to a generator delivering 200 MW. Find the load angle with out and with compensation respectively? 30° and 45° 26° and 30° 45° and 26° 30° and 26° 30° and 45° 26° and 30° 45° and 26° 30° and 26° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where air circuit breakers are used? Up to 66 kV. Up to 11 kV. Up to 12 kV. Up to 33 kV. Up to 66 kV. Up to 11 kV. Up to 12 kV. Up to 33 kV. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS