Power Systems Which of the following relays are used in protection of medium transmission lines? any of the above Impedance relays Admittance relays Mho relays any of the above Impedance relays Admittance relays Mho relays ANSWER DOWNLOAD EXAMIANS APP
Power Systems Ferranti effect can be compensated by which of the following series capacitor shunt capacitor shunt reactor both 1 and 2 series capacitor shunt capacitor shunt reactor both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a 220 kV system, the inductance and capacitance up to the circuit breaker location are 25 mH and 0.025 µF respectively. The value of resistor required to be connected across the breaker contacts which will give no transient oscillations, is 1000 Ω 500 Ω 250 Ω 25 Ω 1000 Ω 500 Ω 250 Ω 25 Ω ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a pumped storage power plant is operated in conjunction with a steam power plant All of these chances of the tripping of the system decrease load factor of the steam plant is increased the operating cost of the steam plant become optimum All of these chances of the tripping of the system decrease load factor of the steam plant is increased the operating cost of the steam plant become optimum ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the sag(S) of a transmission line? S = wl²/2T S = wl²/16T S = wl²/8T S = wl²/4T S = wl²/2T S = wl²/16T S = wl²/8T S = wl²/4T ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has an impedance of (2+j6) Ω has voltage regulation of 10% at a load power factor of 0.8 lag. Find the voltage regulation for a load of 0.6 lead -6.92% 10% 6.92% -10% -6.92% 10% 6.92% -10% ANSWER DOWNLOAD EXAMIANS APP
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