Related Questions

CANDU type nuclear reactor using natural uranium as fuel is the extensively used nuclear reactor because of the fact that the
A Specific fuel consumption is very low due to the use of heavy water
B Fuel cost is much lower than that used in pressurised water or boiling water reactor
C Heavy water is used both as coolant as well as moderator
D Both B and C
If a nuclear reactor produces more fissile nuclear fuel than it consumes, then it is called a __________ reactor.
A Critical
B Breeder
C Fertile
D Heterogenous
Nuclear fuel usually used in a Boiling Water Reactor (BWR) is
A Plutonium
B Enriched uranium
C Natural uranium
D Thorium
The distillation carried out in such a way that the liquid with the lowest boiling point is first evaporated and re-condensed, then the liquid with the next higher boiling point is then evaporated and re-condensed, and so on until all the available liquid fuels are separately recovered in the sequence of their boiling points. Such a process is called
A Cracking
B Fractional distillation
C Full distillation
D Carbonisation
Enriched uranium is required as a fuel in a nuclear reactor, if light water is used as moderator and coolant, because light water has
A High neutron absorption cross-section
B Low moderating efficiency
C High neutron scatter cross-section
D Low neutron absorption cross-section
A boiling water reactor uses following as fuel
A Enriched uranium
B Plutonium
C Thorium
D U
In case of a __________ reactor, the composition in the reactor and at the exit of the reactor is the same.
A Semi-batch
B Tubular
C Batch
D Back-mix
Thermal shield used in high powered nuclear reactor to protect the walls of the reactor from radiation damage is made of
A Concrete
B Steel
C Zircalloy
D Graphite
A nuclear reactor is said to be critical when the neutron population in the reactor core is
A Rapidly increasing leading to the point of explosion
B Decreasing from the specified value
C Reduced to zero
D Constant
A thermal nuclear reactor compared to a fast breeder reactor
A Uses slower neutrons for fission
B Uses faster neutrons for fission
C Gives higher power density
D Requires less fuel to run at the same power level

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