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- Question
The electric power generation cost in nuclear power plant is less than that in a coal based thermal power plant, mainly because the
Options- A. fuel cost per unit power generated is less.
- B. thermal efficiency of the former is higher.
- C. maintenance cost of the former is less.
- D. none of these.
- Correct Answer
- fuel cost per unit power generated is less.
- 1. A radioactive isotope undergoes decay with respect to time following __________ law.
Options- A. logarithmic
- B. exponential
- C. linear
- D. inverse square Discuss
- 2. Use of molten metal as a coolant in fast breeder reactor helps in
Options- A. rapid heat transfer from the core.
- B. accelerating the reaction rate in the core.
- C. breeding neutrons.
- D. accelerating the neutrons. Discuss
- 3. Which of the following is the most harmful for the human being?
Options- A. ?-rays
- B. X-rays
- C. ?-rays
- D. ultra violet rays Discuss
- 4. The main ore of uranium is
Options- A. pitchblende
- B. monazite sand
- C. cassiterite
- D. chalcopyrite Discuss
- 5. H2 is a better coolant than CO2, due to its relatively
Options- A. lower density.
- B. higher specific heat.
- C. non-reactivity to uranium.
- D. lower neutron capture cross-section. Discuss
- 6. Critical energy should be __________ the neutron binding energy of the atom in order to initiate a nuclear fission.
Options- A. equal to
- B. less than
- C. more than
- D. either more or less Discuss
- 7. Which of the following is not an ore of uranium?
Options- A. Pitchblende
- B. Kyanite
- C. Carnotite
- D. Rescolite Discuss
- 8. A moderator __________ the neutrons.
Options- A. slows down
- B. absorbs
- C. accelerates
- D. reflects Discuss
- 9. The function of moderators in nuclear reactor is to
Options- A. slow down the secondary neutrons.
- B. absorb the secondary neutrons.
- C. control the chain reaction.
- D. none of these. Discuss
- 10. The 92U238 emits an a-particle. The product is
Options- A. 90U234
- B. 90U238
- C. 90U236
- D. 92U236 Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: exponential
Correct Answer: rapid heat transfer from the core.
Correct Answer: ?-rays
Correct Answer: pitchblende
Correct Answer: higher specific heat.
Correct Answer: more than
Correct Answer: Kyanite
Correct Answer: slows down
Correct Answer: slow down the secondary neutrons.
Correct Answer: 90U234
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