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- Question
Maximum use of petroleum coke is in
Options- A. adsorption refining operation.
- B. fuel gas manufacture.
- C. carbon electrode manufacture.
- D. iron ore reduction.
- Correct Answer
- carbon electrode manufacture.
- 1. A petroleum well is called 'dry', if it contains
Options- A. very little oil.
- B. no natural gas.
- C. only natural gas.
- D. all (a), (b) and (c). Discuss
- 2. Mercaptans are added to liquefied petroleum gas (LPG) to
Options- A. reduce its cost.
- B. narrow down its explosion limit.
- C. assist in checking its leakage from cylinder.
- D. increase its calorific value. Discuss
- 3. Penetration test determines the __________ of the grease.
Options- A. stiffness
- B. lubricating properties (e.g. oilness)
- C. service temperature
- D. variation in viscosity with temperature Discuss
- 4. Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of
Options- A. propane & butane
- B. butane & ethane
- C. methane & ethane
- D. methane & carbon monoxide Discuss
- 5. Straight run petrol as compared to methyl/ethyl alcohol has
Options- A. lower calorific value.
- B. lower octane number.
- C. higher specific gravity.
- D. higher ignition temperature. Discuss
- 6. Which of the following processes in oil refinery does not employ 'cracking'?
Options- A. Coking
- B. Visbreaking
- C. Pyrolysis
- D. None of these Discuss
- 7. Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is
Options- A. 1
- B. 2
- C. 3
- D. 4 Discuss
- 8. Pick out the wrong statement.
Options- A. Lower boiling paraffins have higher octane number than higher paraffins.
- B. Dehydrogenation of naphthenes to aromatics is a desirable reaction in reforming process.
- C. The most ideal feedstock for thermal reforming is dearomatised kerosene.
- D. Catalyst used in catalytic reforming is platinum on silica-alumina base. Discuss
- 9. Pressure maintained in the high pressure primary tower of a three stage crude oil distillation system is about __________ kg/cm2 .
Options- A. 1.5
- B. 3
- C. 6
- D. 12 Discuss
- 10. The yield of straight run LPG from crude oil is about __________ weight percent.
Options- A. 20-25
- B. 1-1.5
- C. 10-15
- D. 0.1-0.2 Discuss
Petroleum Refinery Engineering problems
Search Results
Correct Answer: only natural gas.
Correct Answer: assist in checking its leakage from cylinder.
Correct Answer: stiffness
Correct Answer: propane & butane
Correct Answer: lower octane number.
Correct Answer: None of these
Correct Answer: 4
Correct Answer: The most ideal feedstock for thermal reforming is dearomatised kerosene.
Correct Answer: 3
Correct Answer: 1-1.5
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