Discussion
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- Question
Vacuum maintained in the vacuum distillation column in oil refinery is in the range of about __________ mm Hg absolute.
Options- A. 1 to 5
- B. 30 to 80
- C. 250 to 350
- D. 450 to 500
- Correct Answer
- 30 to 80
- 1. Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher __________ compared to the dry natural gas.
Options- A. unsaturated hydrocarbon content
- B. calorific value
- C. quantity of propane
- D. quantity of butane Discuss
- 2. "Breathing loss" on storage of gasoline occurs due to the
Options- A. presence of unsaturated air.
- B. fluctuation of ambient temperature during day and night.
- C. both (a) and (b).
- D. neither (a) nor (b). Discuss
- 3. Liquefied Petroleum Gas (LPG) is mainly a mixture of
Options- A. propane & butane
- B. methane & ethane
- C. high boiling olefins
- D. high boiling naphthenes Discuss
- 4. Road grade bitumen is produced from vacuum residue by its
Options- A. aeration
- B. pyrolysis
- C. hydrogenation
- D. steam reforming Discuss
- 5. Catalyst used in alkylation process is
Options- A. sulphuric acid
- B. nickel
- C. silica gel
- D. alumina Discuss
- 6. Which of the following fractions of petroleum contains maximum sulphur?
Options- A. Diesel
- B. Gasoline
- C. Naphtha
- D. Atmospheric residue Discuss
- 7. Liquefied Petroleum Gas (LPG) in domestic use cylinders is in the liquid form. The density of LPG in liquid form is about __________ of that of water (i.e. 1 gm/c.c).
Options- A. one fourth
- B. one third
- C. half
- D. one eighth Discuss
- 8. Vacuum maintained in the vacuum distillation tower of the crude distillation plant is about __________ mm Hg (absolute).
Options- A. 5-10
- B. 30-80
- C. 150-250
- D. 350-400 Discuss
- 9. Octane number (unleaded) of reformed gasoline may be upto
Options- A. 60
- B. 70
- C. 80
- D. 90 Discuss
- 10. Lane and Garton classification of petroleum is based on its
Options- A. composition
- B. specific gravity
- C. optical properties
- D. viscosity Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: calorific value
Correct Answer: fluctuation of ambient temperature during day and night.
Correct Answer: propane & butane
Correct Answer: steam reforming
Correct Answer: sulphuric acid
Correct Answer: Atmospheric residue
Correct Answer: half
Correct Answer: 30-80
Correct Answer: 90
Correct Answer: specific gravity
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