Power Systems Which of the following statements is/are true? Corona is reduced by increasing the radius of the conductor increasing the distance between the conductor decreasing the supply frequency All of these increasing the radius of the conductor increasing the distance between the conductor decreasing the supply frequency All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems The draft tube is provided to increase the acting head on the water wheel. raise the water surface of the stream to create an artificial head. None of these reduce the effect of water hammer. increase the acting head on the water wheel. raise the water surface of the stream to create an artificial head. None of these reduce the effect of water hammer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following are the fertile materials U238 and Th239. U238 and Pu239. U233 and Pu239. U238 and Th232. U238 and Th239. U238 and Pu239. U233 and Pu239. U238 and Th232. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, 2000 MVA, 3 secs. The symmetrical breaking current is 35 kA. 45 kA. 50 kA. 55 kA. 35 kA. 45 kA. 50 kA. 55 kA. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The pickup value of relay is 6.5 Amp and fault current in relay coil is 39 Amp. Its plug setting multiplier is 10 A. 8 A. 6 A. 7 A. 10 A. 8 A. 6 A. 7 A. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The internal flux linkage due to internal flux of a conductor is I/6*10-7 wb-T/m I/2*10-7 wb-T/m I/4*10-7 wb-T/m All of these I/6*10-7 wb-T/m I/2*10-7 wb-T/m I/4*10-7 wb-T/m All of these ANSWER DOWNLOAD EXAMIANS APP