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. both B and C. the coolant water boils in the reactor core. 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. both B and C. the coolant water boils in the reactor core. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Where air circuit breakers are used? Up to 11 kV. Up to 33 kV. Up to 12 kV. Up to 66 kV. Up to 11 kV. Up to 33 kV. Up to 12 kV. Up to 66 kV. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the disadvantages of phase modifiers? Initial cost of synchronous phase modifier is higher It requires more maintenance because of running equipment All of these It consumes both active and reactive power Initial cost of synchronous phase modifier is higher It requires more maintenance because of running equipment All of these It consumes both active and reactive power ANSWER DOWNLOAD EXAMIANS APP
Power Systems What is the approximate efficiency of a normal thermal power station? 20-25% 30-40% 45-55% 60-70% 20-25% 30-40% 45-55% 60-70% ANSWER DOWNLOAD EXAMIANS APP
Power Systems For head and low discharge the water turbine used Francis turbine. Kaplan wheel. Pelton wheel. propeller turbine. Francis turbine. Kaplan wheel. Pelton wheel. propeller turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which following statement are not true for line parameters R, L, G and C of transmission line G = 1/R where G is conductance of line. All of above. LC = μ ε and RG = σ ε. Both R and G depend on the conductivity of conductor forming the line. G = 1/R where G is conductance of line. All of above. LC = μ ε and RG = σ ε. Both R and G depend on the conductivity of conductor forming the line. ANSWER DOWNLOAD EXAMIANS APP