Mechanical Engineering : Nuclear Power Plants QUESTIONS AND ANSWERS :: part2 : 21 to 25
Following Mechanical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
21.Boiling water reactor uses the following as moderator, coolant and working fluid |
| ordinary fluid |
| heavy water |
| molten lead |
| hydrogen gas |
| none of the above. |
22.Enriched uranium may contain fissionable contents of the order of |
| 1-99% |
| 1-25% |
| 1-50% |
| 1-75% |
| 1-90%. |
23.Ideally the neutron flux in reactor should be |
| maximum in centre and zero at side |
| maximum at side and zero in centre |
| uniform throughout |
| zero throughout |
| none of the above. |
24.Pick up the wrong statement |
| In a heterogeneous or solid-fuel reactor, the fuel is mixed in a regular pattern within moderator. |
| Slow or thermal neutrons have energy of the order or 0.025 eV |
| Fast neutrons have energies above 1000 eV |
| Fast reactor uses moderator |
| Most serious drawback in using water as coolant in nuclear plants is its high vapor pressure. |
More Nuclear Power Plants QUESTIONS AND ANSWERS available in next pages
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