Nuclear Power Engineering problems
- 1. Bhabha Atomic Research Centre (BARC) located at Trombay (near Bombay) has
Options- A. five operating research reactors (namely Apsara, Cirus Zerelina, Purnima and Dhurva).
- B. a 420 MW nuclear power plant.
- C. a very large capacity (100 tons/yr) heavy water plant.
- D. all (a), (b) and (c). Discuss
Correct Answer: five operating research reactors (namely Apsara, Cirus Zerelina, Purnima and Dhurva).
- 2. Coolant used in a fast breeder reactor is
Options- A. molten sodium
- B. heavy water
- C. ordinary water
- D. helium Discuss
Correct Answer: molten sodium
- 3. 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
Correct Answer: higher specific heat.
- 4. The main ore of uranium is
Options- A. pitchblende
- B. monazite sand
- C. cassiterite
- D. chalcopyrite Discuss
Correct Answer: pitchblende
- 5. 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
Correct Answer: ?-rays
- 6. 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
Correct Answer: rapid heat transfer from the core.
- 7. A radioactive isotope undergoes decay with respect to time following __________ law.
Options- A. logarithmic
- B. exponential
- C. linear
- D. inverse square Discuss
Correct Answer: exponential
- 8. 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. Discuss
Correct Answer: fuel cost per unit power generated is less.
- 9. 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
Correct Answer: more than
- 10. Which of the following is not an ore of uranium?
Options- A. Pitchblende
- B. Kyanite
- C. Carnotite
- D. Rescolite Discuss
Correct Answer: Kyanite
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