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- Question
Petroleum
Options- A. is optically active.
- B. constitutes mainly of olefins.
- C. does not contain asphalt.
- D. does not contain aromatics.
- Correct Answer
- is optically active.
- 1. A reversible liquid phase endothermic reaction is to be carried out in a plug flow reactor. For minimum reactor volume, it should be operated such that the temperature along the length
Options- A. decreases.
- B. increases.
- C. is at the highest allowable temperature throughout.
- D. first increases and then decreases. Discuss
- 2. Shape factor for a cylinder whose length equals its diameter is
Options- A. 1.5
- B. 0.5
- C. 1.0
- D. 2.0 Discuss
- 3. Total product cost of a chemical plant does not include the __________ cost.
Options- A. market survey
- B. operating labour, supervision and supplies
- C. overhead and utilities
- D. depreciation, property tax and insur-rance Discuss
- 4. The most unsuitable reactor for carrying out reactions in which high reactant concentration favours high yields is
Options- A. backmix reactor
- B. plug flow reactor
- C. series of CSTR
- D. PFR in series Discuss
- 5. __________ bricks should not be used in oxidising atmosphere.
Options- A. Tar dolomite
- B. Carbon
- C. Silica
- D. Fireclay Discuss
- 6. Heat transfer rate to the charge/stock in a furnace does not depend upon the
Options- A. type of fuels viz solid, liquid or gaseous.
- B. flue gas temperature.
- C. emissivity of refractory walls.
- D. initial temperature of the charged stock. Discuss
- 7. Octane number (unleaded) of gasoline produced by isomerisation of butane may be about
Options- A. 45
- B. 55
- C. 70
- D. 90 Discuss
- 8. Which of the following fertilisers contains the least percentage of nitrogen?
Options- A. Liquid ammonia
- B. Urea
- C. Ammonium phosphate
- D. Ammonium sulphate Discuss
- 9. Road grade bitumen is produced from vacuum residue by its
Options- A. aeration
- B. pyrolysis
- C. hydrogenation
- D. steam reforming Discuss
- 10. Annual depreciation cost are not constant when, the __________ method of depreciation calculation is used.
Options- A. straight line
- B. sinking fund
- C. present worth
- D. declining balance. Discuss
More questions
Correct Answer: is at the highest allowable temperature throughout.
Correct Answer: 1.5
Correct Answer: market survey
Correct Answer: backmix reactor
Correct Answer: Carbon
Correct Answer: type of fuels viz solid, liquid or gaseous.
Correct Answer: 70
Correct Answer: Ammonium phosphate
Correct Answer: steam reforming
Correct Answer: declining balance.
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