Petroleum Refinery Engineering problems
- 1. The most important property for a jet fuel is its
Options- A. viscosity
- B. freezing point
- C. calorific value
- D. flash point Discuss
Correct Answer: freezing point
- 2. Which of the following reactions is undesirable in the production of catalytically reformed gasoline?
Options- A. Dehydrogenation of naphthene
- B. Dehydrogenation of lower paraffins
- C. Dehydrocyclisation of higher paraffins
- D. Isomerisation of paraffins Discuss
Correct Answer: Dehydrogenation of lower paraffins
- 3. The main reaction in reforming is the
Options- A. dehydrogenation of naphthenes.
- B. hydrogenation of naphthenes.
- C. hydrocracking of paraffins.
- D. saturation of olefins. Discuss
Correct Answer: dehydrogenation of naphthenes.
- 4. Thermofer catalytic cracking process is a __________ process.
Options- A. fixed bed
- B. moving bed
- C. fluidised bed
- D. non-catalytic Discuss
Correct Answer: non-catalytic
- 5. Which of the following has the minimum °API gravity of all?
Options- A. Diesel
- B. Kerosene
- C. Petrol
- D. Furnace oil Discuss
Correct Answer: Furnace oil
- 6. Extractor temperature is maintained at -20°C in Edeleanu process to reduce the __________ of kerosene.
Options- A. smoke point
- B. paraffins
- C. aromatics
- D. naphthenes Discuss
Correct Answer: paraffins
- 7. Maximum viscosity of tar/PCM/fuel oil for easy and efficient atomisation in conventional burner is __________ centistokes (or 100 Redwood I seconds).
Options- A. 5
- B. 25
- C. 50
- D. 100 Discuss
Correct Answer: 25
- 8. Which of the following is a non-regenerative fixed bed catalytic reforming process?
Options- A. Hydroforming
- B. Thermofer catalytic reforming
- C. Platforming
- D. Hyperforming Discuss
Correct Answer: Platforming
- 9. A fuel oil consists of 4 fractions A, B, C and D. Their molar compositions and vapour pressures are given below :
The vapour pressure of the fuel oil will be __________ mm Hg.
Options- A. 736
- B. 727.5
- C. 512
- D. 767.8 Discuss
Correct Answer: 736
- 10. Which of the following is not an important property of fuel oil/furnace oil?
Options- A. Sulphur content
- B. Viscosity
- C. Aniline point
- D. Flash point Discuss
Correct Answer: Aniline point
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