In nuclear reactions, ______________ number is conserved?
In nuclear reactions, ______________ number is conserved?
A. Mass
B. Atomic
C. Both A. & B.
D. Neither A. nor B.
Nuclear Power Engineering
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Thermal neutrons which are used to cause the fission of U-235 have energy _____________ eV?
Thermal neutrons which are used to cause the fission of U-235 have energy _____________ eV?A. < 0.025
B. > 1
C. 1-25
D. > 200 -
Net efficiency of ordinary light water cooled nuclear reactor is about _____________ percent?
Net efficiency of ordinary light water cooled nuclear reactor is about _____________ percent?A. 32
B. 52
C. 72
D. 88 -
Which of the following may not need a moderator ?
Which of the following may not need a moderator ?A. Candu reactor
B. Fast breeder reactor
C. Homogeneous reactor
D. Pressurised water reactor -
Graphite is used in nuclear reactor as_____________________?
Graphite is used in nuclear reactor as_____________________?A. Insulation lining of the reactor
B. Fuel
C. Lubricant
D. Retarder of neutron velocity -
Which of the following factors is the most important in the site selection for a nuclear power plant ?
Which of the following factors is the most important in the site selection for a nuclear power plant ?A. Absence of earthquake prone zone in nearby areas
B. Abundant availability of water
C. Remotely located from residential areas
D. Proximity to fuel source -
A nuclear reactor can’t be used for_________________?
A nuclear reactor can’t be used for_________________?A. The production of radioisotopes
B. Supplying intense fields or beams of neutron for scientific experiments
C. Marine ship propulsion
D. None of these -
Use of molten metal as a coolant in fast breeder reactor helps in_________________?
Use of molten metal as a coolant in fast breeder reactor helps in_________________?A. Rapid heat transfer from the core
B. Accelerating the reaction rate in the core
C. Breeding neutrons
D. Accelerating the neutrons -
Isotopes of an element have the same__________________?
Isotopes of an element have the same__________________?A. Number of neutrons
B. Mass number
C. Electronic configuration
D. Atomic weight -
Thorium can be converted into U-233 in a _____________ reactor?
Thorium can be converted into U-233 in a _____________ reactor?A. Liquid metal cooled
B. Fast breeder
C. Thermal
D. Swimming pool