A. Is light and better
B. Gives more distillates
C. Gives less tar
D. All A., B. and C.
Related Mcqs:
- Hydrogen percentage (by weight) in crude petroleum may be about __________________?
A. 5
B. 15
C. 25
D. 35 - 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 - Sour crude means the ________________ bearing crude?
A. Asphalt
B. Sulphur compounds
C. Wax
D. Nitrogen compounds - 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 - _____________ base crude oil is also called asphaltic crude?
A. Paraffinic
B. Naphthenic
C. Mixed
D. Aromatic - Crude oils containing more than ____________ kg of total salts (expressed in terms of NaCl) per thousand barrel is called a ‘salty crude’ ?
A. 1
B. 5
C. 15
D. 25 - Carbon percentage (by weight) in crude petroleum may be about_________________?
A. 65
B. 75
C. 85
D. 95 - _____________ chloride present in crude petroleum as impurity is the most prolific producer of HCl during distillation?
A. Magnesium
B. Potassium
C. Calcium
D. Sodium - Which is almost absent in crude petroleum ?
A. Olefins
B. Mercaptans
C. Naphthenes
D. Cycloparaffins - 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.
