MCQOPTIONS
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MCQOPTIONS
This section includes 10 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. |
A_RADIOACTIVE_ISOTOPE_UNDERGOES_DECAY_WITH_RESPECT_TO_TIME_FOLLOWING____________LAW?$ |
| A. | logarithmic |
| B. | exponential |
| C. | inverse square |
| D. | linear |
| Answer» C. inverse square | |
| 2. |
A_FAST_BREEDER_REACTOR_EMPLOYS?$ |
| A. | U-235 as a fuel |
| B. | water as a coolant |
| C. | graphite as a moderator |
| D. | none of the mentioned |
| Answer» B. water as a coolant | |
| 3. |
The half-life period of a radioactive element is 100 days. After 400 days, one gm of the element will be reduced to __________ gm.$ |
| A. | 1/2 |
| B. | 1/4 |
| C. | 1/8 |
| D. | 1/16 |
| Answer» E. | |
| 4. |
U-235 content in enriched uranium, that is normally used in power reactors (e.g., at Tarapur atomic power plant), is about __________ percent.$ |
| A. | 50 |
| B. | 3 |
| C. | 85 |
| D. | 97 |
| Answer» C. 85 | |
| 5. |
The main ore of thorium is? |
| A. | Magnetite |
| B. | Monazite Sand |
| C. | Pitchblende |
| D. | None of the mentioned |
| Answer» C. Pitchblende | |
| 6. |
Which of the following is a non-fissile material? |
| A. | Pu-239 |
| B. | U-235 |
| C. | U-232 |
| D. | Th-232 |
| Answer» E. | |
| 7. |
Graphite is used in nuclear reactor a? |
| A. | lubricant |
| B. | fuel |
| C. | retarder of neutron velocity |
| D. | insulation lining of the reactor |
| Answer» D. insulation lining of the reactor | |
| 8. |
Which of the following ores contains maximum percentage of uranium? |
| A. | Rescolite |
| B. | Thorium |
| C. | Pitchblende |
| D. | Carnotite |
| Answer» D. Carnotite | |
| 9. |
The half-life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half-life period of a radioactive substance is one month, then |
| A. | it will completely disintegrate in two months |
| B. | l/8th of it will remain intact at the end of four months |
| C. | 3/4th of it will disintegrate in two months |
| D. | it will completely disintegrate in four months |
| Answer» B. l/8th of it will remain intact at the end of four months | |
| 10. |
__________ have the same mass number, but different nuclear charge |
| A. | Isotones |
| B. | Isobars |
| C. | Isotopes |
| D. | Isoemtropic |
| Answer» C. Isotopes | |