Antioxidants are added in petrol to _____________________?

Related Mcqs:

1. Glycol added to petrol acts as a/an ________________ agent ?

   A. Anti-knocking B. Anti-icing C. Anti-gum forming D. Dewaxing...

2. Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is ________________?

   A. More than 100 B. Round about 100 C. Between 50 and 100 D. Less than 25...

3. 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...

4. Mercaptans are added to liquefied petroleum gas (LPG) to _____________________ ?

   A. Reduce its cost B. Narrow down its explosion limit C. Assist in checking its leakage from cylinder D. Increase its calorific value...

5. Straight run naphtha is converted into high octane number petrol (gasoline) by catalytic____________________?

   A. Cracking B. Polymerisation C. Reforming D. Isomerisation...

6. Molecular weight of petrol may be about ____________________?

   A. 40-60 B. 100-130 C. 250-300 D. 350-400...

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

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

8. 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...

9. 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...

10. Phenols are added in gasoline to____________________?

    A. Improve the octane number B. Act as an antioxidant C. Reduce its viscosity D. Increase its pour point...