Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene ?

Related Mcqs:

1. Aromatics have the highest ________________ of all the hydrocarbons of same carbon atoms?

   A. Smoke point
   B. Octane number
   C. Cetane number
   D. Viscosity

2. In petroleum refining, the process used for conversion of hydrocarbons to aromatics is________________?

   A. Catalytic cracking
   B. Catalytic reforming
   C. Hydrotreating
   D. Alkylation

3. Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has__________________?

   A. High pour point and low smoke point
   B. Low viscosity index
   C. High self-ignition temperature
   D. All A., B. and C.

4. Presence of aromatics in __________________?

   A. Diesel increases its cetane number
   B. Kerosene increases its smoke point
   C. Petrol increases its octane number
   D. All A., B. and C.

5. Aromatics are desired constituents of____________________?

   A. Lubricating oil
   B. Diesel
   C. Kerosene
   D. Petrol

6. Furfural solvent extraction is used for upgrading (by dissolving aromatics) ?

   A. Naphtha
   B. Lubricating oils
   C. Wax
   D. Cracking feedstock

7. Solvent used in the Udex (glycol) extraction process for removal of light aromatics from cracked naphtha is_________________?

   A. Propane
   B. Diethylene glycol
   C. Aqueous solution (10% water) of diethylene glycol
   D. Methyl ethyl ketone (MEK)

8. Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency ?

   A. Paraffins
   B. Naphthenes
   C. Aromatics
   D. Iso-paraffins

9. Which of the following processes is used for the production of petroleum coke ?

   A. Stabilisation
   B. Visbreaking
   C. Cracking
   D. Reforming

10. Which of the following processes consumes hydrogen ?

    A. Fluid catalytic cracking
    B. Visbreaking
    C. Propane deasphalting
    D. None of these