A. Can’t attain high temperature at normal pressure
B. Is not at all corrosive, even at a higher temperature
C. Is highly radioactive at elevated temperatures and can cause explosion, when it comes in
contact with air or water
D. None of these
Related Mcqs:
- Molten sodium is used as a coolant in a fast breeder reactor, because of its_________________?
A. Excellent moderating properties
B. Neutron breeding capability
C. Faster heat removal capability from the core
D. Capability to increase the reaction rate in the core - 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 - Liquid metal (e.g., molten sodium) is preferred as a coolant in case of a/an ______________ reactor?
A. Homogeneous
B. Graphite moderated
C. Fast breeder
D. Enriched uranium (3% U-235) fuelled - Coolant used in a fast breeder reactor is____________________?
A. Molten sodium
B. Heavy water
C. Ordinary water
D. Helium - 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 - ____________ moderator is used in a fast breeder reactor?
A. Graphite
B. Heavy water
C. Beryllium
D. No - Fuel for a fast breeder reactor is_________________?
A. Plutonium
B. Uranium
C. Radium
D. Neptunium - A fast breeder reactor employs___________________?
A. Graphite as moderator
B. Water as coolant
C. Molten sodium as coolant as well as moderator
D. U-235 as fuel - Fast breeder nuclear reactors using enriched uranium as fuel may contain upto a maximum of ____________ percent of U-235 (i.e. fissile material)?
A. 15
B. 45
C. 65
D. 85 - Fast breeder reactors are most usable in India, because of our largest _____________ deposits?
A. Thorium
B. Plutonium
C. Uranium
D. None of these
