201. Uranium ore is currently mined & concentrated at
Jadugoda
Ghatsila
Khetri
Alwaye
✅ The correct answer is option A.
Nuclear Power Engineering MCQs
202. Spent fuel from the nuclear thermal reactor contains
fission products
plutonium
unused fuel
all (a), (b) & (c)
✅ The correct answer is option D.
203. Heavy water is used as a moderator in a
pressurised water reactor (PWR).
boiling water reactor (BWR).
Candu reactor.
molten sodium cooled reactor.
✅ The correct answer is option C.
204. Isotopes of an element have the same
number of neutrons
mass number
electronic configuration
atomic weight
✅ The correct answer is option C.
205. Which one is the radioactive isotope of hydrogen ?
Deuterium
Ortho-hydrogen
Tritium
None of these
✅ The correct answer is option C.
206. U-235 content in enriched uranium, that is normally used in power reactors (e.g., at Tarapur atomic power plant), is about __________ percent.
85
50
3
97
✅ The correct answer is option C.
207. Atoms with same number of neutrons, but different number of nucleons are called
isotones
isobars
isotopes
isoters
✅ The correct answer is option A.
208. Commercial power generation from fusion reactor is not yet possible, because
it is difficult to control fusion reaction.
the fuel required (e.g. deuterium and tritium) is scarce.
it is difficult to initiate fusion reaction.
quantity of fuel required for initiating fusion reaction is prohibitively high.
✅ The correct answer is option A.
209. Which of the following radiations is the least penetrating ?
α-rays
β-rays
γ-rays
X-rays
✅ The correct answer is option A.
210. The amount of a radioisotope remaining undecayed after a time equal to four times its half life, will be __________ percent.
3.125
6.25
12.5
25
✅ The correct answer is option B.