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Chemical Engineering - Petroleum Refinery Engineering - Discussion

Discussion Forum : Petroleum Refinery Engineering - Section 1 (Q.No. 17)
Petroleum Refinery Engineering
17.
Viscosity index of a lubricating oil
is the measure of its flash point.
is the measure of variation of viscosity with temperature.
should be low.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.
AMIT kumar said:   3 years ago
The viscosity index (VI) is an arbitrary, unitless measure of a fluid's change in viscosity relative to temperature change. It is mostly used to characterize the viscosity-temperature behaviour of lubricating oils.

The lower the VI, the more viscosity is affected by changes in temperature.
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