Main boring diameter for petroleum well is 20-30 cms in diameter, while the depth of the oil well may be about _____________ kms?

Related Mcqs:

1. 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

2. Water content in the crude oil as it comes out of oil well may be upto ______________ percent?

   A. 2
   B. 5
   C. 10
   D. 25

3. The characterisation factor of crude petroleum oil is around__________________?

   A. 3
   B. 11
   C. 22
   D. 28

4. Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil ?

   A. Modern theory
   B. Carbide theory
   C. Engler theory
   D. All A., B. and C.

5. Crude petroleum oil is a _______________ fuel?

   A. Primary
   B. Fossil
   C. Both A. & B.
   D. Secondary

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

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

7. Molecular weight of crude petroleum may be around________________?

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

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

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

9. Which of the following is not an important property of fuel oil/furnace oil ?

   A. Sulphur content
   B. Viscosity
   C. Aniline point
   D. Flash point

10. Crude oil produced by Indian oil fields are predominantly _______________ in nature?

    A. Paraffinic
    B. Naphthenic
    C. Asphaltic
    D. Mixed base