Chemical Engineering - Chemical Process - Discussion

Discussion Forum : Chemical Process - Section 5 (Q.No. 46)

Chemical Process

46.

Viscosity index improver (like polystrene or polyisobutylene) is added to lubricant to

reduce its viscosity.

increase its viscosity.

reduce the variation in its viscosity with temperature.

increase the variation in its viscosity with temperature.

Answer: Option

Explanation:

No answer description is available. Let's discuss.

Discussion:

1 comments Page 1 of 1.

KRR said: 4 years ago

Thickeners and viscosity index improvers are polymeric, and are added to reduce lubricant viscosity changes at high and low temperatures.

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