A. Acts both as an efficient coolant as well as a moderator
B. Can be heated to a higher temperature without pressurizing
C. Is less prone to radiation damage
D. All A., B. and C.
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Related Mcqs:
- Percentage of heavy water in ordinary water is around__________________?
- A. 0.015 B. 7.54 C. 0.71 D. 32.97...
- Percentage of the heavy water in ordinary water is around ____________________?
- A. 0.015 B. 7.54 C. 0.71 D. 32.97...
- 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...
- Water is a better coolant than a gas (like CO2, He, N2 etc.), because it_________________?
- A. Is a better neutron moderator as well B. Require comparatively smaller pumps and heat exchanger for a given heat transfer rate C. Has a better heat transfer characteristics, and it can be pressurised to attain a high temperature D. All A., B. and C....
- Coolant used in a boiling water reactor is________________?
- A. Hydrogen gas B. Water C. Steam D. A mixture of water & steam...
- ‘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...
- Heavy water used in the nuclear reactors to slow down the speed of neutrons is __________________?
- A. Highly purified water B. A compound of oxygen and deuterium C. Water having dissolved salts of heavy metals D. None of these...
- The molecular weight of heavy water is_________________?
- A. 10 B. 18 C. 20 D. 36...
- Heavy water has maximum density at ______________ °C ?
- A. 4 B. 11.6 C. 0 D. 18.6...
- Heavy water (D2O) in a nuclear reactor serves as a_______________?
- A. Coolant B. Moderator C. Both A. & B. D. Neutron absorber...
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