The substance used as neutron moderator in nuclear reactors is
A.ordinary water
B.heavy water
C.liquid hydrogen
D.liquid ammonia
Category: Nuclear Engineering Mcqs
Thermal neutrons are those which
A.are at very high temperature
B.move with high velocity
C.are at rest
D.have kinetic energies similar to those of surrounding molecules
One amu is equivalent to
A.931 J
B.931 eV
C.931 MeV
D.9.31 MeV
The surface tension of the nuclear fluid is
A.more than that of water but less than that of mercury
B.less than that of water
C.much more than that of any liquid
D.approximately equal to that of turpentine
The material used for absorbing neutrons in a nuclear reactor is
A.lead
B.uranium
C.zinc
D.cadmium
The nuclear fusion is a reverse process of
A.nuclear fission
B.thermionic emission
C.radioactive decay
D.none of the above
The emission of a ?-particle causes the resultant nucleus to have
A.less atomic weight
B.more atomic weight
C.less atomic number
D.higher atomic number
The number of neutrons in the nucleus of tritium is
A.1
B.2
C.3
D.4
The phenomenon of nuclear fission is used in the construction of
A.the hydrogen bomb
B.the atom bomb
C.an ordinary bomb
D.incendiary bomb
Nuclear energy is due to conversion of
A.light into heat
B.mass into energy
C.protons into neutrons
D.helium into hydrogen
