Tetra-ethyl lead is added in gasoline to
A. Increase its smoke point
B. Reduce gum formation
C. Reduce the pour point
D. Increase its octane number
Answer: Option D
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
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