Power Systems In hydro power stations what is an enlarged body of water just above the intake and used as a regulating reservoir called Fore bay. Spillways. Penstock. Reservoir. Fore bay. Spillways. Penstock. Reservoir. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The use of high speed circuit breakers decrease system stability. reduces the short circuit current. improves system stability. increased the short circuit current. decrease system stability. reduces the short circuit current. improves system stability. increased the short circuit current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Phase shift occurs due to which of the following components? capacitance conductance both 1 and 2 inductance capacitance conductance both 1 and 2 inductance 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? 45° 60° 35° 30° 45° 60° 35° 30° ANSWER DOWNLOAD EXAMIANS APP
Power Systems Surge impedance loading (SIL) is represented by Vl²/Zs Vl²*√(C/L) both 1 and 2 Vph²/Zs Vl²/Zs Vl²*√(C/L) both 1 and 2 Vph²/Zs ANSWER DOWNLOAD EXAMIANS APP
Power Systems The annual depreciation of hydro power plant is about 15 - 20 %. 0.5 - 1.5 %. 10 - 15 %. 20 - 25 %. 15 - 20 %. 0.5 - 1.5 %. 10 - 15 %. 20 - 25 %. ANSWER DOWNLOAD EXAMIANS APP