Discussion
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- Question
Lane and Garton classification of petroleum is based on its
Options- A. composition
- B. specific gravity
- C. optical properties
- D. viscosity
- Correct Answer
- specific gravity
- 1. Octane number (unleaded) of reformed gasoline may be upto
Options- A. 60
- B. 70
- C. 80
- D. 90 Discuss
- 2. 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
- 3. 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
- 4. Which of the following fractions of petroleum contains maximum sulphur?
Options- A. Diesel
- B. Gasoline
- C. Naphtha
- D. Atmospheric residue Discuss
- 5. 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 Discuss
- 6. Which of the followingis desirable in petrol (gasoline) but undesirable in kerosene?
Options- A. Paraffins
- B. Aromatics
- C. Mercaptans
- D. Naphthenic acid Discuss
- 7. Which parameter is used for the grading of paraffin waxes?
Options- A. Specific gravity
- B. Melting point
- C. Viscosity
- D. Penetration number Discuss
- 8. Higher boiling fractions like atmospheric residue is distilled under vacuum at low temperature because at high temperature, there is a tendency of the predominance of
Options- A. thermal cracking
- B. gum formation
- C. coking
- D. discoloration Discuss
- 9. Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is
Options- A. more than 100
- B. round about 100
- C. between 50 and 100
- D. less than 25 Discuss
- 10. Which of the following gasolines (unleaded) has the least octane number?
Options- A. Catalytically cracked gasoline
- B. Straight run gasoline
- C. Catalytically reformed gasoline
- D. Polymer gasoline Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: 90
Correct Answer: 30-80
Correct Answer: half
Correct Answer: Atmospheric residue
Correct Answer: 30 to 80
Correct Answer: Mercaptans
Correct Answer: Viscosity
Correct Answer: coking
Correct Answer: more than 100
Correct Answer: Straight run gasoline
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