Discussion
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- Question
In chemical process equipments, the conical bottom heads used, usually has an apex angle of
Options- A. 20°
- B. 40°
- C. 60°
- D. 80°
- Correct Answer
- 60°
- 1. Shell side heat transfer co-efficient in case of square pitch as compared to the triangular pitch under similar condition of fluid flow and tube size is
Options- A. more
- B. same
- C. less
- D. twice Discuss
- 2. In case of bubble cap distillation column of diameter greater than 1.2 metres, the cap diameter is roughly about __________ cms.
Options- A. 10
- B. 20
- C. 30
- D. 35 Discuss
- 3. The ends of a cylinderical vessel can be closed by a head, which can be one of the four shapes. For the same thickness, choose the one which can withstand the highest pressure.
Options- A. Flat plate
- B. Hemispherical
- C. Torispherical
- D. Ellipsoidal Discuss
- 4.
for fully open globe value may be around
Options- A. 10
- B. 25
- C. 75
- D. 300 Discuss
- 5. A rivetted joint does not fail by __________ of rivets.
Options- A. tearing
- B. shearing
- C. tearing of the plate across a row
- D. none of these Discuss
- 6. Two iron pipes of the same nominal diameter but different schedule numbers will have the same
Options- A. inside diameter
- B. outside diameter
- C. wall thickness
- D. none of these Discuss
- 7. Wall thickness of schedule 40 pipe as compared to that of schedule 80 pipe is
Options- A. more
- B. less
- C. same
- D. cither (a) or (b); depends upon the I.D. of the pipe Discuss
- 8. What is the value of 'q' for saturated liquid feed to a distillation column?
Options- A. 0
- B. <1
- C. 1
- D. >1 Discuss
- 9. In a shell and tube heat exchanger, the 'tube pitch' is defined as the
Options- A. O.D. of the tube for square pitch.
- B. shortest distance between two adj acent tube holes.
- C. shortest centre to centre distance between adjacent tubes.
- D. none of these. Discuss
- 10. With increase in the number of shell passes, the value of FT
Options- A. increases
- B. decreases
- C. remains same
- D. remains same, only if the number of tube passes does not change. Discuss
Process Equipment and Plant Design problems
Search Results
Correct Answer: less
Correct Answer: 10
Correct Answer: Ellipsoidal
Correct Answer: 300
Correct Answer: none of these
Correct Answer: inside diameter
Correct Answer: less
Correct Answer: 1
Correct Answer: shortest centre to centre distance between adjacent tubes.
Correct Answer: increases
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