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 -10% -6.92% 6.92% 10% -10% -6.92% 6.92% 10% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Lightning arresters are used for protection of equipment from open circuits protection of equipment from short circuits All of these protection of equipment from external lightning protection of equipment from open circuits protection of equipment from short circuits All of these protection of equipment from external lightning ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a long transmission line, if we increase the length of the line, the parameters A and B respectively increases and increases decreases and decreases decreases and increases increases and decreases increases and increases decreases and decreases decreases and increases increases and decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the sag(S) of a transmission line? S = wl²/16T S = wl²/2T S = wl²/8T S = wl²/4T S = wl²/16T S = wl²/2T S = wl²/8T S = wl²/4T ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following power plants needs highly skilled/qualified engineers for its operation Gas-turbine. Thermal. Hydro Power Plant Nuclear. Gas-turbine. Thermal. Hydro Power Plant Nuclear. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Objectives of power system is/are Rated voltage and frequency has to be supplied to the consumers Cost of electrical energy per KWh is to be minimum nether 1 nor 2 both 1 and 2 Rated voltage and frequency has to be supplied to the consumers Cost of electrical energy per KWh is to be minimum nether 1 nor 2 both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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