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- Question
Baffles are provided in a shell and tube heat exchanger to increase the turbulence and velocity of the shell side fluid. Which of the following shaped baffles does not fall in the category of transverse baffle?
Options- A. Segmental baffle
- B. Flat plate extending across the wall
- C. Disk type baffle
- D. Helical type baffle
- Correct Answer
- Flat plate extending across the wall
- 1. Octane number of n-heptane is assumed to be
Options- A. 100
- B. 0
- C. 70
- D. ? Discuss
- 2. __________ is the process of killing organism in water.
Options- A. Coagulation
- B. Sterilisation
- C. Disinfection
- D. Sedimentation Discuss
- 3. Chemical formula of metaphosphoric acid is
Options- A. H3PO4
- B. H4P2O7
- C. HPO3
- D. same as that of pyrophosphoric acid Discuss
- 4. __________ is produced by polymerisation of chloroprene.
Options- A. Thiokol (a polysulphide rubber)
- B. Butyl rubber
- C. Neoprene
- D. Polyurathane rubber Discuss
- 5. Esterification reaction produces
Options- A. detergent
- B. vanaspati
- C. soap
- D. mercaptans Discuss
- 6. In distillation, overhead product contains
Options- A. only one component
- B. two components
- C. any number of components
- D. only saturated liquid Discuss
- 7. Economy of a multiple effect evaporator is not influenced much by the
Options- A. boiling point elevations
- B. temperature of the feed
- C. rate of heat transfer
- D. ratio of the weight of the thin liquor to thick liquor Discuss
- 8. Pour point and freezing point is equal for
Options- A. petrol
- B. diesel
- C. water
- D. crude petroleum Discuss
- 9. Maximum nitrogen percentage is in
Options- A. ammonium sulphate.
- B. calcium ammonium nitrate.
- C. urea.
- D. liquid ammonia. Discuss
- 10. Pressure drag does not depend upon the
Options- A. roughness of surface of the body.
- B. pressure of main flow only.
- C. length of the body in flow direction.
- D. all (a), (b) and (c) Discuss
More questions
Correct Answer: 0
Correct Answer: Disinfection
Correct Answer: HPO3
Correct Answer: Neoprene
Correct Answer: soap
Correct Answer: any number of components
Correct Answer: boiling point elevations
Correct Answer: water
Correct Answer: liquid ammonia.
Correct Answer: all (a), (b) and (c)
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