graphite as moderator.
water as coolant.
molten sodium as coolant as well as moderator.
U-235 as fuel.
✅ The correct answer is option D.
Nuclear Power Engineering MCQs
The disintegration rate of a radioactive element
progressively increases.
progressively decreases.
remains constant throughout.
may increase or decrease depending on the material.
✅ The correct answer is option B.
Nucleus of 92U235 contains __________ protons.
92
235
143
325
✅ The correct answer is option A.
Emission of β-particles during radioactive decay of a substance is from
innermost shell
nucleus
outermost shell
none of these
✅ The correct answer is option B.
The atomic weight and atomic number of an element are A and Z respectively. What is the number of neutrons in the atom of that element ?
A+Z
A- Z
A
Z
✅ The correct answer is option B.
The half life period of a radioactive element depends upon the
temperature
pressure
amount of element present
none of these
✅ The correct answer is option D.
Velocity of the thermal neutron (< 0.025 eV) used for fission of U-235 is around __________ m/sec.
1
2200
3 x 1011
9 x 1021
✅ The correct answer is option B.
MeV is the unit of
radioactivity
energy
potential difference
none of these
✅ The correct answer is option B.
Molten sodium is used as a coolant in a fast breeder reactor, because of its
excellent moderating properties.
neutron breeding capability.
faster heat removal capability from the core.
capability to increase the reaction rate in the core.
✅ The correct answer is option C.
Tarapur atomic power station
has two boiling water reactors of American design.
has an installed capacity of 400 MW.
is the first power reactor in India, which became critical in 1969.
all (a), (b) and (c).
✅ The correct answer is option D.