Chemical Engineering - Petroleum Refinery Engineering - Discussion

Discussion Forum : Petroleum Refinery Engineering - Section 6 (Q.No. 14)

Petroleum Refinery Engineering

14.

Pick out the wrong statement.

Multigrade lubricating oils have high viscosity index.

Paraffinic oil has very high viscosity index.

Naphthenic oil has very low viscosity index.

High viscosity index means a large change in viscosity with change in temperature.

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

2 comments Page 1 of 1.

Vijay Paarmar said: 9 years ago

I think the question should be, " Pick out the correct statement" because D is the correct answer.

Ali said: 1 decade ago

The lower the VI, the greater the change of viscosity of the oil with temperature and vice versa.

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