Waxy crudes are treated with chemical additives mainly to_________________________?

Related Mcqs:

1. Liquefied Petroleum Gas (LPG) is mainly a mixture of _____________________?

   A. Propane & butane
   B. Methane & ethane
   C. High boiling olefins
   D. High boiling naphthenes

2. Gum formation in stored gasoline is mainly due to the ____________________?

   A. Alkylation of unsaturated
   B. Presence of sulphur
   C. Oxidation & polymerisation of unsaturated
   D. Higher aromatic content

3. Crude oil is transported inland from oil field to refineries, mainly by the _____________________?

   A. Road tankers
   B. Rail tankers
   C. Underground pipelines
   D. None of these

4. Though increased pressure has a retarding effect on cracking reaction, yet in actual process, a positive pressure of 10-15 kgf/cm2 is maintained during cracking mainly to__________________?

   A. Increase the yield of light distillates
   B. Suppress coke formation
   C. Enhance the octane number of gasoline
   D. Reduce gum content in gasoline

5. Pyrolysis of kerosene or natural gasoline is done to produce mainly the___________________?

   A. Olefins and aromatics
   B. Lighter paraffins
   C. Stabilised gasoline
   D. Diesel

6. Visbreaking process is used mainly for making_________________?

   A. High cetane diesel
   B. High octane gasoline
   C. Fuel oil
   D. Smoke free kerosene

7. Petroleum coke is used mainly in the __________________ ?

   A. Discoloration of yellow glycerine
   B. Sugar refining
   C. Manufacture of carbon electrode
   D. Blast furnace for reduction of iron ore

8. Liquefied petroleum Gas (LPG) used for the household cooking comprises mainly of _______________?

   A. Propane & butane
   B. Butane & ethane
   C. Methane & ethane
   D. Methane & carbon monoxide

9. Salt content (measured as sodium chloride) in electrically desalted crude oil comes down to a level of about __________________ ptb (pounds per thousand barrel) ?

   A. 0.03
   B. 3
   C. 35
   D. 70

10. A source rock that is too immature to generate petroleum in its natural setting is known as__________?

    A. Effective Source Rock
    B. Potential Source Rock
    C. Unconventional Source Rock
    D. All of above

    Submitted by: Sajjad Ali