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- Question
Mass of a positron is same as that of a/an
Options- A. electron
- B. ?-particle
- C. proton
- D. neutron
- Correct Answer
- electron
- 1. Which of the following reactors is operated at high neutron flux and low power level?
Options- A. Breeder reactor.
- B. Research reactor.
- C. Heterogeneous reactor.
- D. Liquid metal (e.g., molten sodium) cooled reactor. Discuss
- 2. The most abundant isotope of natural uranium is
Options- A. 92U238
- B. 92U235
- C. 92U234
- D. none of these Discuss
- 3. Primary purpose of a __________ nuclear reactor is to supply a high neutron flux of the order of 1013 to 1014 neutrons/cm2 second.
Options- A. research
- B. power
- C. breeder
- D. homogeneous Discuss
- 4. The radioisotope used to study the thyroid gland is
Options- A. iodine
- B. cobalt
- C. iron
- D. carbon Discuss
- 5. The mass number of an element is equal to the number of __________ in the nucleus.
Options- A. electrons
- B. neutrons
- C. protons
- D. neutrons plus protons (i.e., nucleons) Discuss
- 6. Artificially produced radioactive isotopes are used for
Options- A. power generation.
- B. treatment of certain diseases.
- C. initiating nuclear fission and fusion.
- D. all (a), (b) and (c). Discuss
- 7. Pick out the wrong statement.
Options- A. ?-particle emission from a radioactive element makes it electrically negative.
- B. ?-particle emission from a radioactive element makes it electrically positive.
- C. A radioactive element having a half life period of 20 years will completely disintegrated in 40 years.
- D. The disintegration constant of a radioactive isotope is independent of pressure, temperature or concentration. Discuss
- 8. Uranium ore is mined & concentrated in India at
Options- A. Jadugoda(Jharkhand)
- B. Kota (Rajasthan)
- C. Tuticorin (Tamilnadu)
- D. Talchar (Orissa) Discuss
- 9. Which of the following radiations is the least penetrating?
Options- A. ?-rays
- B. ?-rays
- C. ?-rays
- D. X-rays Discuss
- 10. Indian monazite sand contains __________ percent thorium.
Options- A. 10
- B. 25
- C. 60
- D. 90 Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: Research reactor.
Correct Answer: 92U238
Correct Answer: research
Correct Answer: iodine
Correct Answer: neutrons plus protons (i.e., nucleons)
Correct Answer: treatment of certain diseases.
Correct Answer: A radioactive element having a half life period of 20 years will completely disintegrated in 40 years.
Correct Answer: Jadugoda(Jharkhand)
Correct Answer: ?-rays
Correct Answer: 10
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