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- Question
In nuclear reactions, __________ number is conserved.
Options- A. mass
- B. atomic
- C. both (a) & (b)
- D. neither (a) nor (b)
- Correct Answer
- both (a) & (b)
- 1. Cylinderical shell thickness of rotary drier is generally __________ mm.
Options- A. 2-3
- B. 18-22
- C. 6-8
- D. 12-15 Discuss
- 2. 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
- 3. Scale up problem in design based on the similarity concept takes into account __________ similarity.
Options- A. geometrical
- B. kinematic
- C. dynamic
- D. all (a), (b) and (c) Discuss
- 4. Liquid gradient over a tray can be minimised by
Options- A. providing a higher skirt clearance or a higher weir.
- B. decreasing the number of rows of caps through which the liquid flows or by decreasing the velocity of liquid flow past the caps or by reducing the distance along the tray through which the liquid must flow.
- C. using split flow, radial flow or cascade flow for column diameter large than 4 ft.
- D. all (a), (b) and (c). Discuss
- 5. Pressure differential maintained across a continuous rotary vacuum filter is in the range of __________ mm Hg column.
Options- A. 50 to 100
- B. 100 to 150
- C. 250 to 500
- D. 600 to 700 Discuss
- 6. 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
- 7. 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
- 8. 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. Discuss
- 9. Heavy water plant is not located at
Options- A. Talcher
- B. Tuticorin
- C. Ramagundam
- D. Kota Discuss
- 10. The phenomenon of radioactivity was discovered by
Options- A. Madam Curie
- B. Bacquerrel
- C. Roentgen
- D. J.J. Thomson Discuss
Nuclear Power Engineering problems
Search Results
Correct Answer: 6-8
Correct Answer: equal to
Correct Answer: all (a), (b) and (c)
Correct Answer: all (a), (b) and (c).
Correct Answer: 250 to 500
Correct Answer: Jadugoda (in Jharkhand)
Correct Answer: U-232
Correct Answer: coolant water is pressurised to prevent bulk boiling of water in the core.
Correct Answer: Ramagundam
Correct Answer: Bacquerrel
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