hydrogen
deuterium
tritium
helium
✅ The correct answer is option B.
Nuclear Power Engineering MCQs
Atoms of U-238 and U-235 differ in structure by three
electrons and three protons
protons
neutrons
electrons
✅ The correct answer is option C.
A radioactive isotope undergoes decay with respect to time following __________ law.
logarithmic
exponential
linear
inverse square
✅ The correct answer is option B.
Radioactivity of an isotope is expressed in
barn
MeV
Curie
Ergs
✅ The correct answer is option C.
Radioactive decay of a material involves a __________ order reaction.
third
second
first
zero
✅ The correct answer is option C.
Plutonium
is recovered from spent fuel from thermal nuclear reactor.
has much lower melting point (640°C ) compared to thorium (1690°C).
both (a) and (b).
neither (a) nor (b).
✅ The correct answer is option C.
Coolant used in a boiling water reactor is
hydrogen gas
water
steam
a mixture of water & steam
✅ The correct answer is option D.
The first underground nuclear test was conducted by India at
Jaisalmer
Pokharan
Kalpakkam
Narora
✅ The correct answer is option B.
Which of the following is not a good moderating material ?
Concrete
Boron
18/8 stainless steel
All (a), (b) and (c)
✅ The correct answer is option D.
Thermal shield is used in high powered nuclear reactors to
protect the walls of the reactor from radiation damage.
absorb the fast neutrons.
slow down the secondary neutrons.
protect the fuel element from coming in contact with the coolant.
✅ The correct answer is option A.