Power Systems The zero sequence current of a generator for line to ground fault is j3 pu. Then the current through the neutral during the fault is j9 pu j1 pu j3 pu j6 pu j9 pu j1 pu j3 pu j6 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is used for protection of short lines. long lines. medium lines. none of these. short lines. long lines. medium lines. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following relationships are not valid for short transmission lines Is = Ir A = D = 1 All of these B = C = Z Is = Ir A = D = 1 All of these B = C = Z ANSWER DOWNLOAD EXAMIANS APP
Power Systems In Rankine cycle, the work output from a turbine is given by change in internal energy between inlet and outlet. change of enthalpy between inlet and outlet. change in temperature between inlet and outlet. change of entropy between inlet and outlet. change in internal energy between inlet and outlet. change of enthalpy between inlet and outlet. change in temperature between inlet and outlet. change of entropy between inlet and outlet. 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 1.232 mH 1.182 mH 1.093 mH 1.043 mH 1.232 mH 1.182 mH 1.093 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems a 50 Hz, 3-phase synchronous generator has inductance per phase of 15 mH. The capacitance of the generator and circuit breaker is 0.002 µF. What is its natural frequency? 29 kHz 2.9 kHz 29 MHz 290 kHz 29 kHz 2.9 kHz 29 MHz 290 kHz ANSWER DOWNLOAD EXAMIANS APP
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