A. Molten sodium cooled
B. CO2 gas cooled
C. Pressurised water
D. Boiling water
Correct Answer: Boiling water ✔
Last Updated: March 06, 2019
Related MCQs
- Which of the following is not a naturally occurring nuclear fuel ?
- Safety rods provided in nuclear reactors to guard against accidents, in case of earthquake are made of__________?
- Percentage of U-238 in natural uranium is around__________?
- Which of the following is not a good moderating material ?
- The electric power generation cost in nuclear power plant is less than that in a coal based thermal power plant, mainly because the__________?
- Which is used as a coolant in nuclear reactor due to its high capture cross-section ?
- β-rays emission in radioactive disintegration is always accompanied by the emission of__________?
- Final product of uranium extraction plant at Jadugoda (Bihar) is__________?
- Thorium-232 (a fertile material) on absorption of a neutron gets converted into __________ , which is a fissile material?
- Tarapur (INDIA) atomic power station__________?
- Plutonium__________?
- Which of the following ores contains maximum percentage of uranium ?
- In nuclear reactions, __________ number is conserved?
- Thermal neutrons which are used to cause the fission of U-235 have energy __________ eV?
- Net efficiency of ordinary light water cooled nuclear reactor is about __________ percent?
- Which of the following may not need a moderator ?
- Graphite is used in nuclear reactor as__________?
- Which of the following factors is the most important in the site selection for a nuclear power plant ?
- A nuclear reactor can’t be used for__________?
- Use of molten metal as a coolant in fast breeder reactor helps in__________?
- Isotopes of an element have the same__________?
- Thorium can be converted into U-233 in a __________ reactor?
- Number of secondary neutron emitted on fission of an atom of U-235 by slow neutron bombardment is__________?
- The decrease in the atomic number is not observed in case of__________?
- The main purpose of control rod in a nuclear reactor is to control the__________?
- Radioactive decay of a material involves a __________ order reaction?
- Out of the following places, a nuclear power plant is not located at__________?
- Unit of radioactivity is__________?
- Liquid metal (e.g., molten sodium) is preferred as a coolant in case of a/an __________ reactor?
- The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then__________?
- A heterogeneous reactor is the one, in which the moderator and the__________?
- Fuel for a nuclear reactor (thermal) is__________?
- Water is a better coolant than a gas (like CO2, He, N2 etc.), because it__________?
- Fast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of __________ percent of U-235 (i.e. fissile material)?
- Primary purpose of a __________ nuclear reactor is to supply a high neutron flux of the order of 1013 to 1014neutrons/cm2 second?
- Heavy water is preferred over ordinary water as a coolant, because it?
- An ideal coolant for a nuclear reactor should __________?
- The number of neutrons accompanying the formation of 54Xe139 and 38Sr94 from the absorption of a slow neutron by 92U235, followed by nuclear fission is __________?