Penetration test determines the __________ of the grease.
A. Stiffness
B. Lubricating properties (e.g. oilness)
C. Service temperature
D. Variation in viscosity with temperature
Answer: Option A
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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