Chemical Engineering - Nuclear Power Engineering
Exercise :: Nuclear Power Engineering - Section 2
| 36. |
Which of the following accounts for the maximum energy release in the nuclear fission process ? |
| A. |
Kinetic energy of fission products | | B. |
Radioactive decay of fission products | | C. |
Instantaneous release of γ-rays | | D. |
Kinetic energy of neutrons |
Answer: Option A
Explanation:
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| 37. |
In a pressurised water reactor (PWR), the |
| A. |
fuel is natural uranium and heavy water acts both as moderator & coolant. | | B. |
coolant water boils in the core of the reactor. | | C. |
coolant water is pressurised to prevent bulk boiling of water in the core. | | D. |
use of moderator is not required. |
Answer: Option C
Explanation:
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| 38. |
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 |
Answer: Option C
Explanation:
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| 39. |
Coolant used in a boiling water reactor is |
| A. |
hydrogen gas | | B. |
water | | C. |
steam | | D. |
a mixture of water & steam |
Answer: Option D
Explanation:
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| 40. |
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. |
Answer: Option A
Explanation:
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