Nuclear Power Engineering Questions

• Which of the following is not used as a moderator in nuclear reactor?
• Radioactive decay of a material involves a __________ order reaction.
• The critical mass of a fissionable material can be reduced by
• In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous
• Uranium percentage in monazite sand is about
• Pick out the wrong statement.
• Isotopes of an element have different
• A control rod
• Out of the following, nucleus of __________ atom contains the largest number of neutrons.
• β-rays emission in radioactive disintegration is always accompanied by the emission of
• Atoms of U-238 and U-235 differ in structure by three
• The ratio of mass of a neutron to that of an electron is about 1839. What is the ratio of the mass of a proton to that of an electron?
• An element having large number of __________ is most easily subjected to nuclear fission.
• The main purpose of control rod in a nuclear reactor is to control the
• Heavy water (D2O) in a nuclear reactor serves as a
• Which of the following is a non-fissile material?
• Which one is different for the neutral atoms of the isotopes of an element?
• First experimental observation of nuclear fission was done by
• A fast breeder reactor
• Nucleus of tritium has __________ neutrons.