Power Systems Which of following generating plants has the minimum operating cost Steam plant. Hydroelectric plant. Diesel plant. Nuclear plant. Steam plant. Hydroelectric plant. Diesel plant. Nuclear plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Per unit of any quantity is defined as base value of quantity /actual value of quantity in different units actual value of quantity /base value of quantity in same units actual value of quantity /base value of quantity in different units base value of quantity /actual value of quantity in same units base value of quantity /actual value of quantity in different units actual value of quantity /base value of quantity in same units actual value of quantity /base value of quantity in different units base value of quantity /actual value of quantity in same units ANSWER DOWNLOAD EXAMIANS APP
Power Systems A three phase, 33 kV oil circuit breaker is rated 1200 A, the symmetrical breaking capacity is 2000 MVA, 3 secs. Then the making capacity is 5200 MVA. 5500 MVA. 5000 MVA. 5100 MVA. 5200 MVA. 5500 MVA. 5000 MVA. 5100 MVA. 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
Power Systems The sequence components of the fault current are as follows : Ipositive = j1.5 pu, Inegative = − j0.5 pu, Izero = − j pu Which fault is this? LLLG. LL. LG. LLG. LLLG. LL. LG. LLG. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a pressurized water reactor 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. 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. ANSWER DOWNLOAD EXAMIANS APP