Power Systems Counter poise is used for proper discharging of lighting surges reduce losses less surge impedance more surge impedance proper discharging of lighting surges reduce losses less surge impedance more surge impedance ANSWER DOWNLOAD EXAMIANS APP
Power Systems The positive, negative and zero sequence per unit impedance of two generators connected in parallel are X1 = 0.12 pu, X2 = 0.096 pu and X0 = 0.036 pu. For LG fault at generator terminals (with 1 pu voltage) the positive sequence current will be 10.936 pu 7.936 pu 9.936 pu 8.936 pu 10.936 pu 7.936 pu 9.936 pu 8.936 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following given faults, all the sequence currents are equal? LLL LL LLG LG LLL LL LLG LG ANSWER DOWNLOAD EXAMIANS APP
Power Systems As the frequency of the system is increased, the charging MVAR None of these decreases increases remains unaffected None of these decreases increases remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical mass of the fuel is the amount required to make the multiplication factor more than 1. 0.5. equal to factor. less than 1. more than 1. 0.5. equal to factor. less than 1. 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
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