Power Systems The skin effect of conductor will increase when resistivity decrease diameter decrease frequency decrease All of these resistivity decrease diameter decrease frequency decrease All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Counter poise is used for proper discharging of lighting surges reduce losses more surge impedance less surge impedance proper discharging of lighting surges reduce losses more surge impedance less surge impedance ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two insulator discs of identical capacitance value C make up a string for a 22 kV, 50 Hz, single phase overhead line insulation system. If pin to earth capacitance is also C, then find the string efficiency? 50% 86%% 90% 75% 50% 86%% 90% 75% ANSWER DOWNLOAD EXAMIANS APP
Power Systems Specified quantities of slack bus are V and δ P and V P and δ P and Q V and δ P and V P and δ P and Q ANSWER DOWNLOAD EXAMIANS APP
Power Systems Advantages of higher transmission voltage is/are All of these Area of cross section and volume of the conductor is reduced Transmission line losses are reduced Power transfer capability of the transmission line is increased All of these Area of cross section and volume of the conductor is reduced Transmission line losses are reduced Power transfer capability of the transmission line is increased ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is 1.043 mH 1.182 mH 1.232 mH 1.093 mH 1.043 mH 1.182 mH 1.232 mH 1.093 mH ANSWER DOWNLOAD EXAMIANS APP
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