Power Systems In which of the following given faults, all the sequence currents are equal? LLG LLL LG LL LLG LLL LG LL ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the diameter of the conductor is increased the inductance is increased the inductance is decreased no change in inductance and resistance the resistance is increased the inductance is increased the inductance is decreased no change in inductance and resistance the resistance is increased ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the conductor diameter decreases, inductance of the line, increases remains unaffected None of these decreases increases remains unaffected None of these decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which cooling is preferred for large turbine generator Nitrogen cooling. Hydrogen cooling. None of these. Oxygen cooling. Nitrogen cooling. Hydrogen cooling. None of these. Oxygen cooling. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For large plants of capacity for more than 15 MW, what type of cooling is used Hydrogen. Liquid. Water. Air. Hydrogen. Liquid. Water. Air. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Power system network has a total power of 5000 MW at 50 Hz supplying to the different consumers. Frequency is varying at 1.5% per change of 2% load. Assume R =0.004 Hz/MW. Find the steady state frequency deviation if a sudden loss of 200 MW occur due to tripping of one of the transmission line? -0.52 Hz 50 Hz 0.52 Hz 0.48 Hz -0.52 Hz 50 Hz 0.52 Hz 0.48 Hz ANSWER DOWNLOAD EXAMIANS APP
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