Discussion :: Chemical Process
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Viscosity index improver (like polystrene or polyisobutylene) is added to lubricant to
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A.
reduce its viscosity.
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B.
increase its viscosity.
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C.
reduce the variation in its viscosity with temperature.
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D.
increase the variation in its viscosity with temperature.
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Answer : Option C
Explanation :
No answer description available for this question.
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