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

Related Mcqs:

1. Char value of Kerosene is the amount of charred oil deposition on the wick obtained after burning it in a standard wick lamp at a standard rate for 24 hours. Char value of a good quality kerosene should be less than ________________ mg/kg of kerosene?

   A. 1 B. 20 C. 100 D. 500...

2. Gasoline extracted from natural gas (by compression and cooling) is called the ___________ gasoline?

   A. Polymer B. Unleaded C. Casing head D. Straight run...

3. Which of the following is desirable in diesel and kerosene but is undesirable in gasoline ?

   A. Aromatics B. Mercaptans C. Paraffins D. Naphthenic acid...

4. Which of the following is desirable in petrol (gasoline) but undesirable in kerosene ?

   A. Paraffins B. Aromatics C. Mercaptans D. Naphthenic acid...

5. Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses _______________ as catalyst?

   A. Bauxite B. Fuller’s earth C. Activated clay D. All A., B. & C....

6. Dearomatization of kerosene (by liquid sulphur dioxide extraction) is done to________________?

   A. Increase its smoke point B. Improve its oxidation stability C. Decrease the breathing loss D. None of these...

7. 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...

8. Natural gas recovered along with crude oil from oil wells is called wet natural gas which has a higher ______________ compared to the dry natural gas?

   A. Unsaturated hydrocarbon content B. Calorific value C. Quantity of propane D. Quantity of butane...

9. Complete removal of _____________ from gasoline is done by Unisol process using caustic soda and methyl alcohol?

   A. Waxes B. Mercaptans C. Asphalt D. Diolefins...

10. Natural gasoline is produced___________________?

    A. From oil wells B. In oil refineries C. By natural gas stripping D. None of these...