Power Systems In a pressurized water reactor water is used at high pressure so that it is available is liquid from at about 280° C. heavy water is used as both coolant and moderator. the coolant water boils in the reactor core. both B and C. water is used at high pressure so that it is available is liquid from at about 280° C. heavy water is used as both coolant and moderator. the coolant water boils in the reactor core. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Systems When series reactor is used in generating stations, the fault current magnitude is reduced remains unaffected increased any of the above reduced remains unaffected increased any of the above ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which one of the following relays has the capability of anticipating the possible major fault in a transformer? Differential relay Over current relay Over fluxing relay Buchholz relay Differential relay Over current relay Over fluxing relay Buchholz relay ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has (2 + j4)Ω impedance, 100 MVA and base voltage is 10 KV. Find the per unit impedance value of transmission line? (4 + j8 ) pu (0.5 + j1 ) pu (2 + j4 ) pu (1 + j2 ) pu (4 + j8 ) pu (0.5 + j1 ) pu (2 + j4 ) pu (1 + j2 ) pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems A network containing 100 buses in which 10 are the voltage control buses, 5 are fixed shunt capacitor buses, 20 are the reactive power support buses, 6 are the generator buses. Find the size of the Jacobian matrix? 165 × 165 163 × 163 164 × 164 162 × 162 165 × 165 163 × 163 164 × 164 162 × 162 ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 30-40% 60-70% 20-25% 45-55% 30-40% 60-70% 20-25% 45-55% ANSWER DOWNLOAD EXAMIANS APP
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