A. Be a good absorber of neutrons
B. Be capable of attaining high temperature, only when it is pressurised
C. Have high density, but low heat transfer co-efficient
D. Be free from radiation damage and non-corrosive
Related Mcqs:
- Which is used as a coolant in nuclear reactor due to its high capture cross-section ?
A. H2
B. N2
C. He
D. CO2 - Pressure of CO2 gas (which is a coolant) in the Calder-Hall nuclear reactor is ______________ kgf/cm2?
A. 0.2
B. 7
C. 35
D. 50 - ‘Light water’ used as a coolant in nuclear reactor is nothing but______________________?
A. Ordinary water
B. Mildly acidic (pH = 6) water
C. Mildly alkaline (pH = 8) water
D. None of these - 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 - Candu reactor is a ______________ nuclear reactor?
A. Natural uranium fuelled heavy water cooled & moderated
B. Highly enriched uranium (85% U-235) fuelled
C. Homogeneous
D. Fast breeder - 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 - 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 - Coolant used in a fast breeder reactor is____________________?
A. Molten sodium
B. Heavy water
C. Ordinary water
D. Helium - 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 - Coolant used in a boiling water reactor is________________?
A. Hydrogen gas
B. Water
C. Steam
D. A mixture of water & steam
