Nuclear Power Engineering Questions

• __________ have the same mass number, but different nuclear charge.
• The half life period of a radioactive element depends on its
• Thermal shield is used in high powered nuclear reactors to
• Thorium can be converted into U-233 in a __________ reactor.
• Which one is different for the neutral atoms of the isotopes of an element?
• How many atoms are present in one gm-atom of an element?
• Graphite is used in nuclear reactor as
• The most commonly used nuclear fuel in boiling water reactor is
• If 4 gm of a radioisotope has a half life period of 10 days, the half life of 2 gm of the same istotope will be __________ days.
• Thermal neutrons which are used to cause the fission of U-235 have energy __________ eV.
• Fast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of __________ percent of U-235 (i.e. fissile material).
• Uranium ore is currently mined & concentrated at
• Fuel for a nuclear reactor (thermal) is
• Absorption/scattering cross-section of an element is expressed in "barn", which is equivalent to
• The velocity of thermal (slow) neutrons triggering nuclear fission reaction (having energy equal to 0.025 eV) is about __________ metres/second.
• Specific gravity of uranium and plutonium is about
• Radioactive decay is a __________ change.
• Which of the following is not used as a nuclear fuel cladding material?
• Which one is radioactive in nature?
• Thorium metal