Power Systems A 3-phase, 110 kV coaxial XLPE insulated power cable delivering power at 50 Hz, has a capacitance of 125 nF/km. If the dielectric loss tangent of XLPE is 2*10^-4, then dielcetric power loss in this cable in W/km/phase is 35.45 31.7 23.9 38.6 35.45 31.7 23.9 38.6 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Buchholz relay is used for protection of none of these. alternator. bus bar. transformer. none of these. alternator. bus bar. transformer. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which following statement are not true for line parameters R, L, G and C of transmission line All of above. Both R and G depend on the conductivity of conductor forming the line. LC = μ ε and RG = σ ε. G = 1/R where G is conductance of line. All of above. Both R and G depend on the conductivity of conductor forming the line. LC = μ ε and RG = σ ε. G = 1/R where G is conductance of line. ANSWER DOWNLOAD EXAMIANS APP
Power Systems ACSR means Aluminium copper steel reinforced Aluminium core steel reinforced all conductor steel reinforced Aluminium conductor steel reinforced Aluminium copper steel reinforced Aluminium core steel reinforced all conductor steel reinforced Aluminium conductor steel reinforced ANSWER DOWNLOAD EXAMIANS APP
Power Systems On what factor does the performance of a circuit breaker depend? None of these. Breaking speed. Both A and C. Critical length of breaking. None of these. Breaking speed. Both A and C. Critical length of breaking. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The commercial sources of energy are none of above. wood, animal wastes and agricultural wastes. fossile fuels and radioactive substances. solar, wind, biomass. none of above. wood, animal wastes and agricultural wastes. fossile fuels and radioactive substances. solar, wind, biomass. ANSWER DOWNLOAD EXAMIANS APP