Power Systems As the frequency of the system is increased, the charging MVAR None of these decreases increases remains unaffected None of these decreases increases remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Power Systems If L and C are 4 mH and 0.0001 μF respectively a current chop of magnitude 50 Amp would induced a voltage 200 kV. 50 kV. 100 kV. 400 kV. 200 kV. 50 kV. 100 kV. 400 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Over current relay Differential relay Buchholz relay Over fluxing relay Over current relay Differential relay Buchholz relay Over fluxing relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called stopping time. damping time. coasting time. settling time. stopping time. damping time. coasting time. settling time. ANSWER DOWNLOAD EXAMIANS APP
Power Systems One million cubic meters of water is stored in a reservoir feeding a water turbine. The density of water is 993 kg/m³. If the centre of mass of water is 50 meters above the turbine and losses are negligible, the energy produced by that volume of water is 130.2 MWhr 140 MWhr 120 MWhr 135.3 MWhr 130.2 MWhr 140 MWhr 120 MWhr 135.3 MWhr ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which following statement are not true for line parameters R, L, G and C of transmission line Both R and G depend on the conductivity of conductor forming the line. All of above. G = 1/R where G is conductance of line. LC = μ ε and RG = σ ε. Both R and G depend on the conductivity of conductor forming the line. All of above. G = 1/R where G is conductance of line. LC = μ ε and RG = σ ε. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS