1.
The number of neutrons accompanying the formation of 54Xe139 and 38Sr94 from the absorption of a slow neutron by 92U235, followed by nuclear fission is __________________?
2.
An ideal coolant for a nuclear reactor should ________________?
3.
Heavy water is preferred over ordinary water as a coolant, because it?
4.
Primary purpose of a ____________ nuclear reactor is to supply a high neutron flux of the order of 1013 to 1014neutrons/cm2 second?
5.
Fast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of ____________ percent of U-235 (i.e. fissile material)?
6.
Water is a better coolant than a gas (like CO2, He, N2 etc.), because it_________________?
7.
Fuel for a nuclear reactor (thermal) is___________________?
8.
A heterogeneous reactor is the one, in which the moderator and the________________?
9.
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____________?
10.
Liquid metal (e.g., molten sodium) is preferred as a coolant in case of a/an ______________ reactor?
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