potential
thermal
kinetic
electrical
✅ The correct answer is option C.
Nuclear Power Engineering MCQs
A radioactive substance does not emit
α-ray
proton
position
β-ray
✅ The correct answer is option B.
Which of the following is a moderating material used in nuclear reactor ?
Graphite.
Cadmium.
Zircalloy (an alloy of zirconium and aluminium).
Stainless steel.
✅ The correct answer is option A.
The ratio of atomic radius to its nuclear radius is about
105
108
1012
1015
✅ The correct answer is option A.
In nuclear reactions, __________ number is conserved.
mass
atomic
both (a) & (b)
neither (a) nor (b)
✅ The correct answer is option C.
A homogeneous reactor is the one, in which the
fissile atoms are evenly distributed throughout the mass of nuclear reactor.
same substance (e.g. heavy water) is used as moderator & coolant.
the fuel and the moderator is mixed to form a homogeneous material.
all (a), (b) and (c).
✅ The correct answer is option C.
The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then
3/4th of it will disintegrate in two months.
it will completely disintegrate in two months.
it will completely disintegrate in four months.
l/8th of it will remain intact at the end of four months.
✅ The correct answer is option B.
Critical energy should be __________ the neutron binding energy of the atom in order to initiate a nuclear fission.
equal to
less than
more than
either more or less
✅ The correct answer is option C.
Which is used as a coolant in nuclear reactor due to its high capture cross-section ?
H2
N2
He
CO2
✅ The correct answer is option A.
Hydrogen differs from deuterium in __________ properties.
radioactive
physical
chemical
all (a), (b) and (c)
✅ The correct answer is option B.