Power Systems The radiation shield for a nuclear power reactor for biological safety is provided by having the reactor encased thick metal wall. immersed in water pool. isolated from outside word with strong magnetic field. encased by thick concrete wall. encased thick metal wall. immersed in water pool. isolated from outside word with strong magnetic field. encased by thick concrete wall. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following materials is/are used as moderators? heavy water All of these beryllium graphite heavy water All of these beryllium graphite ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the effects of corona power loss decreases charging current increases All of these interference decreases power loss decreases charging current increases All of these interference decreases ANSWER DOWNLOAD EXAMIANS APP
Power Systems A hydro electric generating station is supplied from a reservoir of capacity 5 × 10 − 6 cubic meters at a head of 200 meters. Find the total energy available in KWh if the overall efficiency is 75 % 5 × 106 kWh. 4.06 × 106 kWh. 3 × 106 kWh. 2.044 × 106 kWh. 5 × 106 kWh. 4.06 × 106 kWh. 3 × 106 kWh. 2.044 × 106 kWh. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Deflectors are provided in Francis turbine. Pelton wheel. Kaplan turbine. propeller turbine. Francis turbine. Pelton wheel. Kaplan turbine. propeller turbine. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The commercial sources of energy are fossile fuels and radioactive substances. wood, animal wastes and agricultural wastes. none of above. solar, wind, biomass. fossile fuels and radioactive substances. wood, animal wastes and agricultural wastes. none of above. solar, wind, biomass. ANSWER DOWNLOAD EXAMIANS APP
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