Power Systems Which of the following produces the radio interference in communication lines? electro magnetic induction None of these electro static induction both 1 and 2 electro magnetic induction None of these electro static induction both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems A CT is connected in ___________________ with the line. series. both A and B. not connected. across. series. both A and B. not connected. across. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pu parameters for a 500 MVA machine on its own base are: Inertia, H = 20 pu; reactance X = 2 pu. The pu values of inertia and reactance on 100 MVA common base, respectively, are 4, 0.4 4, 10 100, 10 100, 0.4 4, 0.4 4, 10 100, 10 100, 0.4 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draft tube is provided to None of these raise the water surface of the stream to create an artificial head. increase the acting head on the water wheel. reduce the effect of water hammer. None of these raise the water surface of the stream to create an artificial head. increase the acting head on the water wheel. reduce the effect of water hammer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following contributes to the Rankine cycle efficiency improvement in a thermal power plant Reheat of steam an intermediate stages. Use of high pressure. Use of steam for heating of boiler feed water. All of these Reheat of steam an intermediate stages. Use of high pressure. Use of steam for heating of boiler feed water. All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the sag(S) of a transmission line? S = wl²/4T S = wl²/8T S = wl²/16T S = wl²/2T S = wl²/4T S = wl²/8T S = wl²/16T S = wl²/2T ANSWER DOWNLOAD EXAMIANS APP
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