Power Systems A thermal power station needs space less than that required by hydro-power station of same capacity. less than that required by a gas turbine power plant of same output. less than that required by atomic power station of the same output. less than that required by the diesel power station of same output. less than that required by hydro-power station of same capacity. less than that required by a gas turbine power plant of same output. less than that required by atomic power station of the same output. less than that required by the diesel power station of same output. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The most suitable circuit breaker for short line fault without switching resistor is air blast circuit breaker. SF6 breaker. none of these. oil circuit breaker. air blast circuit breaker. SF6 breaker. none of these. oil circuit breaker. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Maximum efficiency of modern coal fired steam raising thermal power plants is restricted to about 035 (a low value), mainly because of high energy loss in boiler. low steam turbine mechanical efficiency. high energy loss from turbine exhaust to condenser. low alternative efficiency. high energy loss in boiler. low steam turbine mechanical efficiency. high energy loss from turbine exhaust to condenser. low alternative efficiency. ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a pressurized water reactor 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. water is used at high pressure so that it is available is liquid from at about 280° C. ANSWER DOWNLOAD EXAMIANS APP
Power Systems If the rated receiving end voltage is 33 kV, then what are the limits for safe operation of equipments? any voltage above 33 kV 31.35 to 34.65 kV 33 to 50 kV 25 to 35 kV any voltage above 33 kV 31.35 to 34.65 kV 33 to 50 kV 25 to 35 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a surge impedance of 400 Ω for a length of the line of 200 km. If the length of line is increased to 400 km, then its surge impedance is 200 Ω 0 Ω 400 Ω 800 Ω 200 Ω 0 Ω 400 Ω 800 Ω ANSWER DOWNLOAD EXAMIANS APP