MCQOPTIONS
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MCQOPTIONS
This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Power Plant knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the decay product of tritium? |
| A. | Hydrogen |
| B. | Deuterium |
| C. | Lithium |
| D. | Helium |
| Answer» C. Lithium | |
| 2. |
Gas cooling as compared to water cooling of nuclear reactors __________ |
| A. | cannot attain a high temperature |
| B. | is more efficient as gas has a higher specific heat |
| C. | can produce only saturated steam for feeding to power turbine |
| D. | none of the mentioned |
| Answer» E. | |
| 3. |
The time taken for a radioactive element to reduce to 50% of its original weight is __________ years if its half-life period is 12 years. |
| A. | 24 |
| B. | 6 |
| C. | 18 |
| D. | 48 |
| Answer» D. 48 | |
| 4. |
The amount of a radioisotope remaining un-decayed after a time equal to four times its half-life will be __________ percent. |
| A. | 3.125 |
| B. | 6.25 |
| C. | 12.50 |
| D. | 25 |
| Answer» C. 12.50 | |
| 5. |
The amount of a radioactive material (having a half-life of 100 years) remaining after 400 years will be __________ of its original weight. |
| A. | 0.5 |
| B. | 0.25 |
| C. | 1/8 |
| D. | 1/16 |
| Answer» E. | |
| 6. |
An electron has a mass that is approximately __________ that of the proton. |
| A. | 1/1836 |
| B. | 1 |
| C. | 1836 |
| D. | none of the mentioned |
| Answer» B. 1 | |
| 7. |
Thorium-232 is converted into uranium-233 in a/an __________ nuclear reactor. |
| A. | heavy water moderated |
| B. | fast breeder |
| C. | thermal |
| D. | enriched uranium |
| Answer» C. thermal | |
| 8. |
Heat is generated in a nuclear reactor (thermal) by __________ |
| A. | fusion of atoms of uranium |
| B. | absorption of neutrons in uranium atoms |
| C. | combustion of nuclear fuel |
| D. | fission of U-235 by neutrons |
| Answer» E. | |