Hydrogen bomb is based on the nuclear fusion of
A.hydrogen
B.deuterium
C.tritium
D.helium
Category: Nuclear Engineering Mcqs
Which of the following is not a fission fuel?
A.U-233
B.U-235
C.Pu-239
D.U-238
Heavy water used in nuclear reactors is
A.a product of oxygen and deuterium
B.an ordinary water containing dissolved salts of heavy metals
C.water of mineral springs
D.water produced by repeated distillation and condensation
When a radioactive element emits a ?-particle it becomes
A.electrically positive
B.electrically negative
C.neutral
D.none of the above
The range of nuclear forces is
A.10-8 cm
B.10-13 cm
C.10-16 cm
D.100 angstron
Monazite sand is a chief source of
A.uranium
B.thorium
C.radium
D.polonium
The ?-particle is identical with
A.a helium atom
B.a doubly charged helium ion
C.proton
D.fast moving neutron
Since the mass defect of the helium nucleus is 5.045 x 10-26 gm its binding energy must be
A.5.045 x 10-26 erg
B.4.54 x 10-5 erg
C.4.54 x 10-5 J
D.5.045 x 10-26 J
In ?-decay the ratio of neutron to proton
A.remains unchanged
B.decreases
C.increases
D.may decrease or increase
Heavy water is used in nuclear reactors to
A.cool the reactor
B.facilitate the release of neutrons
C.control fission
D.slow down the speed of neutrons
