Hydrogen has __________ isotopes.
Hydrogen bomb employs the nuclear fusion of
Fast breeder reactors do not
Spent fuel from the nuclear thermal reactor contains
MeV is the unit of
Sodium melts (at atmospheric pressure) at a temperature of __________ °C.
The ratio of volume of an atom to that of its nucleus is
Thorium-is converted into uranium-in a/an __________ nuclear reactor.
Which of the following is not, a fertile material ?
A boiling water reactor is the one, in which the
Which is used as a coolant in nuclear reactor due to its high capture cross-section ?
The type of pump used for the recirculation of molten sodium coolant in liquid metal cooled reactor is a/an __________ pump.
Which is the most commonly used molten metal for cooling of nuclear reactors ?
The atomic number of a radioactive element is not changed, when it emits __________ rays.
The decay product of tritium (a beta emitter) is
Which of the following may be used to measure the rate of nuclear disintegration?
Velocity of the thermal neutron (< 0.eV) used for fission of U-is around __________ m/sec.
Energy equivlant to one atomic mass unit (amu) is __________ MeV.
Research reactors are normally meant for
Which of the following may not need a control rod ?
One 'amu' is equivalent to
Molten sodium (as a coolant in fast breeder reactor)
Moderating material used in a thermal-reactor should be a
Ordinary water is not used as a moderator because, it
Fast breeder Test Reactor (FBTR) is located at
The amount of a radioactive material (having a half life ofyears) remaining afteryears will be __________ of its original weight.
Heat is generated in a nuclear reactor (thermal) by
The decrease in the atomic number is not observed in case of
"Critical mass" is the minimum mass of nuclear fissile material required for the
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