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- Question
Enriched uranium means that, it contains
Options- A. more than 0.71% of U-235.
- B. only fertile material.
- C. only fissile material.
- D. no impurities.
- Correct Answer
- more than 0.71% of U-235.
- 1. Hydrogen differs from deuterium in __________ properties.
Options- A. radioactive
- B. physical
- C. chemical
- D. all (a), (b) and (c) Discuss
- 2. Indian monazite sand contains __________ percent thorium.
Options- A. 10
- B. 25
- C. 60
- D. 90 Discuss
- 3. Which of the following radiations is the least penetrating?
Options- A. ?-rays
- B. ?-rays
- C. ?-rays
- D. X-rays Discuss
- 4. Uranium ore is mined & concentrated in India at
Options- A. Jadugoda(Jharkhand)
- B. Kota (Rajasthan)
- C. Tuticorin (Tamilnadu)
- D. Talchar (Orissa) Discuss
- 5. 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
- 6. Ceramic nuclear metals compared to solid nuclear metals have
Options- A. higher melting points.
- B. low strength at high temperature.
- C. more chances of radiation damage.
- D. poorer corrosion resistance. Discuss
- 7. Fuel for a fast breeder reactor is
Options- A. plutonium
- B. uranium
- C. radium
- D. neptunium Discuss
- 8. Safety rods provided in nuclear reactors to guard against accidents, in case of earthquake are made of
Options- A. high carbon steel.
- B. molybdenum.
- C. zircalloy.
- D. boron or cadmium. Discuss
- 9. Heavy water has maximum density at __________ °C.
Options- A. 4
- B. 11.6
- C. 0
- D. 18.6 Discuss
- 10. When the difference between mass number and atomic number of atoms of two or more elements are same, the atoms are termed as
Options- A. isomers
- B. isotopes
- C. isobars
- D. isotones Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: physical
Correct Answer: 10
Correct Answer: ?-rays
Correct Answer: Jadugoda(Jharkhand)
Correct Answer: A radioactive element having a half life period of 20 years will completely disintegrated in 40 years.
Correct Answer: higher melting points.
Correct Answer: plutonium
Correct Answer: boron or cadmium.
Correct Answer: 11.6
Correct Answer: isotones
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