Viscosity index of a lubricating oil_________________?

A. Is the measure of variation of viscosity with temperature

B. None of these

C. Should be low

D. Is the measure of its flash point

Found an error? Read our corrections policy and submit a sourced correction below. You can also share a useful explanation in your own words.

Discuss the answer or suggest a sourced correction
Thank you for contributing.
Your comment was submitted and will appear after editorial review.

Your email is used only for moderation and is never displayed. Spam, copied material and fabricated endorsements are rejected.