Which of the following compound is considered for calculating the octane number?

A) n-heptane	B) n-hexane
C) iso-octane	D) iso-butane

Answer & Explanation Answer: C) iso-octane

Explanation: The octane number of a fuel is numerically taken as the percentage of iso-octane in a mixture of iso-octane and n-heptane. The octane number of iso-octane is 100 and of n-heptane is 0.

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Category: Mechanical Engineering MCQs
Sub Category: Thermal Engineering Mcqs

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