_____________ base crude oil is also called asphaltic crude?
_____________ base crude oil is also called asphaltic crude?
A. Paraffinic
B. Naphthenic
C. Mixed
D. Aromatic
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Performance number of a liquid fuel is related to its __________________?
Performance number of a liquid fuel is related to its __________________?A. Wax content
B. Spontaneous ignition temperature
C. Knocking tendency
D. Sulphur contentWhich of the following is the most important property for a jet fuel ?
Which of the following is the most important property for a jet fuel ?A. Cloud point
B. Pour point
C. Colour
D. Freezing pointOlefins are_________________?
Olefins are_________________?A. Saturated hydrocarbons
B. Unsaturated cyclic compounds (hydrocarbons)
C. Present in substantially good quantity in crude petroleum
D. None of theseIn the atmospheric pressure crude distillation, the content of _____________ from lighter fraction to heavier ones?
In the atmospheric pressure crude distillation, the content of _____________ from lighter fraction to heavier ones?A. Sulphur increases
B. Sulphur decreases
C. Nitrogen decreases
D. None of theseParaffin base crude oil as compared to asphalt base crude gives___________________?
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 oilGood quality kerosene should have__________________?
Good quality kerosene should have__________________?A. Low smoke point
B. High smoke point
C. High aromatics content
D. Low paraffins content