Power Systems The draft tube is provided to None of these reduce the effect of water hammer. raise the water surface of the stream to create an artificial head. increase the acting head on the water wheel. None of these reduce the effect of water hammer. raise the water surface of the stream to create an artificial head. increase the acting head on the water wheel. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Mho relay is usually employed for protection of short transmission lines only long transmission lines only medium transmission lines only any line short transmission lines only long transmission lines only medium transmission lines only any line ANSWER DOWNLOAD EXAMIANS APP
Power Systems Recovery voltage in CB is equal to normal frequency 50 Hz rms voltage. transient voltage. arcing period voltage. none of these. normal frequency 50 Hz rms voltage. transient voltage. arcing period voltage. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The average thermal efficiency of a modern nuclear power plant is about 80 %. 30 %. 40 %. 60 %. 80 %. 30 %. 40 %. 60 %. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following methods is/are used for reactive or voltage compensation generation excitation control All of these shunt capacitor series capacitor generation excitation control All of these shunt capacitor series capacitor 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? 2.9 kHz 29 kHz 290 kHz 29 MHz 2.9 kHz 29 kHz 290 kHz 29 MHz ANSWER DOWNLOAD EXAMIANS APP
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