41. A moderator __________ the neutrons.
slows down
absorbs
accelerates
reflects
✅ The correct answer is option A.
Nuclear Power Engineering MCQs
42. Which of the following is a non-fissile material ?
Plutonium-239
Uranium-235
Uranium-233
Thorium-232
✅ The correct answer is option D.
43. Which of the following is not, a fertile material ?
Th-232
U-238
U-233
none of these
✅ The correct answer is option C.
44. Which of the following is not used as a moderator in nuclear reactor ?
Molten sodium
Light water
Beryllium
Boron hydride
✅ The correct answer is option A.
45. Main source of __________ is monazite sand.
uranium
polonium
hafnium
thorium
✅ The correct answer is option D.
46. Out of the followingplaces, a nuclear power plant is not located at
Talcher (Orissa)
Kaiga (Karnataka)
Rawatbhata (Rajsthan)
Kalpakkam (Tamilnadu)
✅ The correct answer is option A.
47. An element having large number of __________ is most easily subjected to nuclear fission.
protons
electrons
neutrons
nucleons
✅ The correct answer is option D.
48. Energy equivlant to one atomic mass unit (amu) is __________ MeV.
9.31
93.1
931
9310
✅ The correct answer is option C.
49. Heavy water is preferred over ordinary water as a coolant, because it.
acts both as an efficient coolant as well as a moderator.
can be heated to a higher temperature without pressurizing.
is less prone to radiation damage.
all (a), (b) and (c).
✅ The correct answer is option D.
50. Positron is a/an
nucleus having two protons.
helium nucleus.
electron with positive charge.
nucleus with one proton and one neutron.
✅ The correct answer is option C.