Q:

What should be the cetane number of middle speed diesel engine?

A) At least 35 B) At least 25
C) At least 65 D) At least 45
 
Answer & Explanation Answer: A) At least 35

Explanation: The cetane number of high speed diesel engine should be at least 45, that of middle speed diesel engine should be at least 35 and that of low speed diesel engine should be at least 25.

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