Power Systems If skin depth is more, then skin effect is either 1 or 2 less None of these more either 1 or 2 less None of these more ANSWER DOWNLOAD EXAMIANS APP
Power Systems Skin effect depends on frequency relative permeability conductivity All of these frequency relative permeability conductivity All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems For flat voltage profile system, voltage regulation is any of the above 0% 50% 100% any of the above 0% 50% 100% 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? 86%% 50% 75% 90% 86%% 50% 75% 90% ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 50 Hz, 17.32 kV generator is connected to a power system. The system reactance and capacitance per phase are 10 mH and 0.2 mF respectively. What is the maximum voltage across the contacts of the circuit breaker at an instant when it passes through zero? 30.28 kV 31.28 kV 29.28 kV 28.28 kV 30.28 kV 31.28 kV 29.28 kV 28.28 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems Zero sequence currents can flow from a line into a transformer bank if the windings are in delta / star. delta / delta. star / grounded star. ground star / delta. delta / star. delta / delta. star / grounded star. ground star / delta. ANSWER DOWNLOAD EXAMIANS APP