Q.1
A moderator, apart from its high neutron slowing power, and low non-productive neutron, should be
Q.2
Gas cooled reactor uses following materials as moderator, and coolant
Q.3
Amongst the following, the fissionable materials are
Q.4
The fuel needed, with reflector in nuclear power plant, in order to generate sufficient neutrons to sustain a chain reaction, would be
Q.5
A power plant giving least running cost of production of electrical power is
Q.6
Each fission of U₂₃₅ produces on the average _________ fast neutrons as a product of reaction.
Q.7
For economical operation of a nuclear plant
Q.8
The control rods in the control system of nuclear reactors are used to
Q.9
A fast breeder reactor uses
Q.10
Fast breeder reactor uses
Q.11
Enriched uranium is required as a fuel in a nuclear reactor, if light water is used as moderator and coolant, because light water has
Q.12
In triggering fission, which types of neutrons are more effective?
Q.13
In order to have constant chain reaction to produce a constant rate of heat output, the value of ratio of the number of neutrons in one generation to the number of neutrons in the immediately preceding generation must be
Q.14
A nuclear reactor is said to be critical when the neutron population in the reactor core is
Q.15
Pick up the wrong statement
Q.16
The coolant used in boiling water reactor is
Q.17
A moderator
Q.18
Pressurized water reactor is designed
Q.19
The efficiency of a nuclear power plant in comparison to a conventional thermal power plant is
Q.20
Effective moderators are those materials which contain
Q.21
Which of the following particles is the lightest?
Q.22
A moderator, in nuclear power plants, is a medium introduced into the fuel mass in order to
Q.23
Reflector in nuclear power plants _________ neutron leakage.
Q.24
The unit of radioactivity is
Q.25
The most practical fuel for a thermonuclear reactor, both from economical and nuclear consideration is
Q.26
One gram of uranium will produce energy equivalent to approximately
Q.27
The commonly used material for shielding is
Q.28
The material most commonly used for shielding is
Q.29
Which of the following is the heaviest?
Q.30
In fast breeder reactors
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