A. Modern theory
B. Carbide theory
C. Engler theory
D. All A., B. and C.
Related Mcqs:
- During electrical desalting of crude oil, the electrical conductivity of a mixture of crude oil and water (which ranges between 3 to 8% water) ________________ with increase in the amount of water?
A. Decreases
B. Increases
C. Remains unchanged
D. Decreases linearly - Maximum sulphur percentage in low sulphur heavy stock (LSHS) furnace oil is about_________________?
A. 0.1
B. 1
C. 2.5
D. 3.5 - The best method of determining sulphur in crude oil is by the _______________ method?
A. Kjeldahl
B. Dumas
C. Bomb calorimeter
D. Junkers calorimeter - Paraffin base crude oil as compared to asphalt base crude gives___________________?
A. Higher yield of straight run gasoline
B. Higher octane number gasoline
C. Lower viscosity index lube oil
D. Poorer yield of lube oil - _____________ base crude oil is also called asphaltic crude?
A. Paraffinic
B. Naphthenic
C. Mixed
D. Aromatic - The characterisation factor of crude petroleum oil is around__________________?
A. 3
B. 11
C. 22
D. 28 - Crude petroleum oil is a _______________ fuel?
A. Primary
B. Fossil
C. Both A. & B.
D. Secondary - Crude oil is transported inland from oil field to refineries, mainly by the _____________________?
A. Road tankers
B. Rail tankers
C. Underground pipelines
D. None of these - 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 - Crude oil produced by Indian oil fields are predominantly _______________ in nature?
A. Paraffinic
B. Naphthenic
C. Asphaltic
D. Mixed base