51. Which is a fertile nuclear fuel ?
U-233
U-235
Pu-239
Th-232
✅ The correct answer is option D.
Nuclear Power Engineering MCQs
52. Thorium-232 is converted into uranium-233 in a/an __________ nuclear reactor.
thermal
fast breeder
heavy water moderated
enriched uranium
✅ The correct answer is option B.
53. Heavy water (D2O) in a nuclear reactor serves as a
coolant
moderator
both (a) & (b)
neutron absorber
✅ The correct answer is option C.
54. Out of the following places, heavy water plant is not located at
Baroda
Ramagundam
Talcher
Tuticorin
✅ The correct answer is option B.
55. The half life period of a radiactive element is 100 days. After 400 days, one gm of the element will be reduced to __________ gm.
1-Apr
1-Aug
1-Feb
Jan-16
✅ The correct answer is option D.
56. Fast breeder test reactor at Kalpakkam is designed for using
thorium as a fertile material.
U-238 as a fertile material.
helium as a coolant.
uranium ore directly as a fuel.
✅ The correct answer is option A.
57. Function of control rod in a nuclear reactor is to control
temperature
pressure
fuel consumption
absorption of neutrons
✅ The correct answer is option D.
58. Neutrons have mass approximately equal to that of __________ atoms.
hydrogen
helium
deuterium
none of these
✅ The correct answer is option A.
59. A nuclear reactor can’t be used for
the production of radioisotopes.
supplying intense fields or beams of neutron for scientific experiments.
marine ship propulsion.
none of these.
✅ The correct answer is option D.
60. H2 is a better coolant than CO2, due to its relatively
lower density.
higher specific heat.
non-reactivity to uranium.
lower neutron capture cross-section.
✅ The correct answer is option B.