Power Systems Operating cost of thermal power station is is the same as that of nuclear power plant. less than that of diesel power plant. less than that of hydroelectric power plant. less than that of nuclear power plant. is the same as that of nuclear power plant. less than that of diesel power plant. less than that of hydroelectric power plant. less than that of nuclear power plant. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Binary vapor cycle are used for All of these improving the plant efficiency. improving the condenser performance. increasing the turbine efficiency. All of these improving the plant efficiency. improving the condenser performance. increasing the turbine efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical mass is maximum mass of fissionable material required to sustain a chain reaction. minimum mass of fissionable material required to sustain chain reaction. a mass of fissionable material required to stop a chain reaction. none of these. maximum mass of fissionable material required to sustain a chain reaction. minimum mass of fissionable material required to sustain chain reaction. a mass of fissionable material required to stop a chain reaction. none of these. ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 200 MVA alternator operated at no load at frequency of 50 Hz, it has inertia constant of 5 MWsec/MVA and governing system has a time delay of 0.6 sec. If the load of 50 MW is suddenly applied then find the frequency deviation during this time? -0.76 Hz -0.85 Hz 0.85 Hz 0.76 Hz -0.76 Hz -0.85 Hz 0.85 Hz 0.76 Hz ANSWER DOWNLOAD EXAMIANS APP
Power Systems Two generating stations delivering a powers of P1 = 150 MW, P2 =100 MW and the B coefficients are B11 = 0.005, B22 = 0.002, B12=B21= -0.001. Find the transmission line losses? 95.5 102.5 85.5 105.2 95.5 102.5 85.5 105.2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems An over current relay, having a current setting of 125% connected to a supply circuit through a current transformer of ratio 400/5. The pick up value is 15 A 12.5 A 6.25 A 10 A 15 A 12.5 A 6.25 A 10 A ANSWER DOWNLOAD EXAMIANS APP