logo

CuriousTab

CuriousTab

Discussion


Home Chemical Engineering Petroleum Refinery Engineering Comments

  • Question
  • Higher viscosity of lubricating oil usually signifies


  • Options
  • A. lower Reid vapour pressure.
  • B. higher acid number.
  • C. higher flash point and fire point.
  • D. lower flash point and fire point.

  • Correct Answer
  • higher flash point and fire point. 


  • Petroleum Refinery Engineering problems


    Search Results


    • 1. Removal of light fractions from crude oil is called its

    • Options
    • A. sweetening
    • B. dehydration
    • C. stabilisation
    • D. visbreaking
    • Discuss
    • 2. Phenols are added in gasoline to

    • Options
    • A. improve the octane number.
    • B. act as an antioxidant.
    • C. reduce its viscosity.
    • D. increase its pour point.
    • Discuss
    • 3. Sulphur content in lighter and heavier petroleum products is generally determined respectively by

    • Options
    • A. lamp method and bomb method.
    • B. bomb method and lamp method.
    • C. bomb method and quartz tube method.
    • D. quartz tube method and lamp method.
    • Discuss
    • 4. Pick out the wrong statement.

    • Options
    • A. Higher temperature is employed in visbreaking than in thermal cracking.
    • B. Pyrolysis is a mild thermal cracking process.
    • C. Lead suceptibility of petrol produced by catalytic process is more than that produced by thermal cracking.
    • D. Operating pressure and temperature in thermal cracking process is more than that in catalytic cracking process.
    • Discuss
    • 5. The first crude oil refinery of India is located at

    • Options
    • A. Naharkatiya
    • B. Digboi
    • C. Kochin
    • D. Madras
    • Discuss
    • 6. Which of the following has the lowest flash point of all?

    • Options
    • A. Diesel
    • B. Kerosene
    • C. Petrol
    • D. Furnace oil
    • Discuss
    • 7. Which of the following has the highest gum forming tendency in gosoline?

    • Options
    • A. Paraffins
    • B. Diolefins
    • C. Aromatics
    • D. Naphthenes
    • Discuss
    • 8. Aniline point is the

    • Options
    • A. characteristic property of diesel & lubricating oils.
    • B. measure of aromatic content of oil.
    • C. both (a) and (b).
    • D. neither (a) nor (b).
    • Discuss
    • 9. 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
    • 10. 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


    Comments

    There are no comments.

Enter a new Comment