Power Systems Lightning arresters are made up of which material? any of the above silicon oxide silver copper any of the above silicon oxide silver copper ANSWER DOWNLOAD EXAMIANS APP
Power Systems For transmission line which one of the following relation is true? AD + BC = 0 AD - BC = 1 AD - BC = -1 AD - BC = 0 AD + BC = 0 AD - BC = 1 AD - BC = -1 AD - BC = 0 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called damping time. settling time. coasting time. stopping time. damping time. settling time. coasting time. stopping time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems For harnessing low variable water heads, the suitable hydraulic turbine with reaction and adjustable vanes runners is Francis Pelton Impeller Kaplan Francis Pelton Impeller Kaplan ANSWER DOWNLOAD EXAMIANS APP
Power Systems The insulation of modern EHV is designed based on RI. corona. switching voltage. lightning voltage. RI. corona. switching voltage. lightning voltage. 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, 10 100, 0.4 4, 0.4 100, 10 4, 10 100, 0.4 4, 0.4 100, 10 ANSWER DOWNLOAD EXAMIANS APP