Power Systems Advantages of per unit system is/are No units for any quantity Need of transformation ratio All of these It has units for all quantities No units for any quantity Need of transformation ratio All of these It has units for all quantities ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona interference decreases power loss decreases charging current increases All of these interference decreases power loss decreases charging current increases All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The overall efficiency of a steam power plant equal to the Rankine cycle. product of boiler efficiency, turbine efficiency and generator efficiency. binary vapor cycle. regenerative cycle. the Rankine cycle. product of boiler efficiency, turbine efficiency and generator efficiency. binary vapor cycle. regenerative cycle. 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° 45° and 26° 26° and 30° 30° and 26° 30° and 45° 45° and 26° 26° and 30° 30° and 26° ANSWER DOWNLOAD EXAMIANS APP
Power Systems To reduce the radio interference which line is/are transposed? Power line None of these Both power and telecommunication lines either 1 or 2 Power line None of these Both power and telecommunication lines either 1 or 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The power generated by two plants are; P1 = 50 MW, P2 = 40 MW. If the loss coefficients are B11 = 0.001, B22 = 0.0025 and B12 = -0.0005, then power loss will be 6.5 MW 8.5 MW 5.5 MW 4.5 MW 6.5 MW 8.5 MW 5.5 MW 4.5 MW ANSWER DOWNLOAD EXAMIANS APP
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