Power Systems Advantages of pumped storage plants is/are most economical as a peak load supply plant All of these operating time is minimum used as load frequency control most economical as a peak load supply plant All of these operating time is minimum used as load frequency control ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power. Find the load angle? 35° 45° 60° 30° 35° 45° 60° 30° ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following transmission lines capacitance effect is negligible? shoart transmission lines long transmission lines both 1 and 3 medium transmission lines shoart transmission lines long transmission lines both 1 and 3 medium transmission lines ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro power plant of run off river type should be provided with pondage so that the firm capacity of plant is increased. pressure inside the turbine casing remains. operating head is controlled. kinetic energy of the running water is fully utilized. firm capacity of plant is increased. pressure inside the turbine casing remains. operating head is controlled. kinetic energy of the running water is fully utilized. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical visual voltage is the voltage at which None of these both 1 and 2 corona is just initiated corona is visible with blue or violet colour None of these both 1 and 2 corona is just initiated corona is visible with blue or violet colour ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum power capacity of a transmission line can be increased by either 1 or 2 increasing voltage level decreasing reactance value nether 1 nor 2 either 1 or 2 increasing voltage level decreasing reactance value nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP