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- Question
Which of the following is a heat treatment furnace?
Options- A. Muffle furnace
- B. Annealing furnace
- C. Reheating furnace
- D. Rotary kiln
- Correct Answer
- Annealing furnace
- 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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