Power Systems The function of reflector is to stop the chain reaction. none of above. bounce back most of the neutrons that escape from the fuel core. reduce the speed of the neutrons. stop the chain reaction. none of above. bounce back most of the neutrons that escape from the fuel core. reduce the speed of the neutrons. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following represents the transmission line positive sequence reactance Xs +2 Xm 2Xs + Xm Xs - Xm Xm - Xs Xs +2 Xm 2Xs + Xm Xs - Xm Xm - Xs ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the desirable properties of a insulator material? Low ratio of puncture strength to flash over. Both 1 and 2 High relative permittivity High ratio of puncture strength to flash over. Low ratio of puncture strength to flash over. Both 1 and 2 High relative permittivity High ratio of puncture strength to flash over. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of following are the fertile materials U233 and Pu239. U238 and Th232. U238 and Pu239. U238 and Th239. U233 and Pu239. U238 and Th232. U238 and Pu239. U238 and Th239. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A guard ring is used in string type insulator having 3 units to improve string efficiency. Find the capacitance of metal link 2 if pin to earth capacitance of each unit is 1 F? 4 F 1 F 0.5 F 2 F 4 F 1 F 0.5 F 2 F ANSWER DOWNLOAD EXAMIANS APP
Power Systems A fault occurring at the terminals of an unloaded synchronous generator operating at its rated voltage has resulted in the following values of currents and voltages. IR0 = j 2.37 pu IR1 = -j 3.05 pu IR2 = j 0.68 pu VR0 = VR1 = VR2 = 0.237 pu. Which of the following faults has occurred? LL LG LLL LLG LL LG LLL LLG ANSWER DOWNLOAD EXAMIANS APP