Molecular weight of petrol may be about ____________________?

Related Mcqs:

1. Molecular weight of crude petroleum may be around________________?

   A. 50
   B. 250
   C. 1500
   D. 5000

2. With increase in the molecular weight of aromatic present in kerosene, its smoking tendency ?

   A. Increases
   B. Decreases
   C. Remain same
   D. Is unpredictable

3. Carbon percentage (by weight) in crude petroleum may be about_________________?

   A. 65
   B. 75
   C. 85
   D. 95

4. Gasoline yield in catalytic reforming of naphtha may be about _________________ percent by weight?

   A. 85
   B. 65
   C. 50
   D. 98

5. Hydrogen percentage (by weight) in crude petroleum may be about __________________?

   A. 5
   B. 15
   C. 25
   D. 35

6. Antioxidants are added in petrol to _____________________?

   A. Impart colour to it, for easy identification
   B. Minimise the gum formation
   C. Prevent icing of the carburettor
   D. Prevent the lead build up in engines

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

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

8. The amount of tetraethyl lead added to improve the octane number of motor gasoline is around ______________ c.c per gallon of petrol?

   A. 3
   B. 300
   C. 3000
   D. 1000

9. Stabilisation of gasoline (petrol) means ___________________?

   A. Removal of dissolved gases from it
   B. Increasing its oxidation stability
   C. Improving its lead susceptibility
   D. Increasing its vapour pressure

10. Straight run petrol as compared to methyl/ethyl alcohol has_________________?

    A. Lower calorific value
    B. Lower octane number
    C. Higher specific gravity
    D. Higher ignition temperature