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- Question
In a pressurised water reactor (PWR), the
Options- A. fuel is natural uranium and heavy water acts both as moderator & coolant.
- B. coolant water boils in the core of the reactor.
- C. coolant water is pressurised to prevent bulk boiling of water in the core.
- D. use of moderator is not required.
- Correct Answer
- coolant water is pressurised to prevent bulk boiling of water in the core.
- 1. Which of the following isotopes is not present in natural uranium?
Options- A. U-238
- B. U-234
- C. U-235
- D. U-232 Discuss
- 2. Uranium Corporation of India Limited (UCIL) engaged in the mining & concentration of uranium ore is located at
Options- A. Alwaye (in Kerala)
- B. Jadugoda (in Jharkhand)
- C. Kalpakkam (in Tamilnadu)
- D. Gopalpur coast (in Orissa) Discuss
- 3. In nuclear reactions, __________ number is conserved.
Options- A. mass
- B. atomic
- C. both (a) & (b)
- D. neither (a) nor (b) Discuss
- 4. Cylinderical shell thickness of rotary drier is generally __________ mm.
Options- A. 2-3
- B. 18-22
- C. 6-8
- D. 12-15 Discuss
- 5. Tubes are fixed to the tube sheet (a thick circular metallic plate) by the method of tube rolling and brazing (non-removable) or ferrule connection (removable). Thickness of the tube, sheet is normally __________ the outside diameter of the tube but in no case it should be less than 22 mm (7/8").
Options- A. half
- B. three fourth
- C. equal to
- D. 1.5 times Discuss
- 6. Heavy water plant is not located at
Options- A. Talcher
- B. Tuticorin
- C. Ramagundam
- D. Kota Discuss
- 7. The phenomenon of radioactivity was discovered by
Options- A. Madam Curie
- B. Bacquerrel
- C. Roentgen
- D. J.J. Thomson Discuss
- 8. Which of the following accounts for the maximum energy release in the nuclear fission process?
Options- A. Kinetic energy of fission products
- B. Radioactive decay of fission products
- C. Instantaneous release of ?-rays
- D. Kinetic energy of neutrons Discuss
- 9. Solar energy results from __________ reaction.
Options- A. fission
- B. combustion
- C. thermonuclear
- D. none of these Discuss
- 10. Pick out the correct statement.
Options- A. Positron is the antiparticle of electron.
- B. In ?-decay, the ratio of neutron to proton decreases.
- C. Ionising power of ?-rays is higher than that of ?-rays.
- D. Speed of ?-rays is more than that of ?-rays. Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: U-232
Correct Answer: Jadugoda (in Jharkhand)
Correct Answer: both (a) & (b)
Correct Answer: 6-8
Correct Answer: equal to
Correct Answer: Ramagundam
Correct Answer: Bacquerrel
Correct Answer: Kinetic energy of fission products
Correct Answer: thermonuclear
Correct Answer: Positron is the antiparticle of electron.
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