H/C ratio (by weight) for the same number of carbon atoms is the highest in case of____________________?

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. Which of the following has maximum hydrogen/carbon ratio (by weight) ?

   A. Naphtha
   B. Gasoline
   C. Diesel
   D. Fuel oil

3. Carbon/hydrogen ratio (by weight) is maximum (out of following) for_________________?

   A. Gasoline
   B. Kerosene
   C. Light gas oil
   D. Heavy fuel oil

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

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

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

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

6. Aromatics are desired constituents of____________________?

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

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

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

8. Molecular weight of petrol may be about ____________________?

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

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

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

10. Hydrogen content in petroleum products varies from 12 to 15% (by weight). As a result the difference between gross and net heating value of petroleum fuels varies in the range of ______________ kcal/kg?

    A. 600-750
    B. 250-350
    C. 1000-1500
    D. 2000-2500