__________ base crude oil is also called asphaltic crude.
A. Paraffinic
B. Naphthenic
C. Mixed
D. Aromatic
Answer: Option B
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Related Questions on Petroleum Refinery Engineering
Aniline point test of an oil qualitatively indicates the __________ content of an oil.
A. Paraffin
B. Olefin
C. Aromatic
D. Naphthene

Petroleum with a high content of naphthenic compounds, such as asphaltenes. Asphaltic crude is also known as naphthene-based crude oil when the paraffin wax content is low.
Alternate Form: naphthene-base crude oil