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    Exam 14: Lubricating and Cooling Systems
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    What Does Blue Exhaust Smoke Indicate
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What Does Blue Exhaust Smoke Indicate

Question 51

Question 51

Multiple Choice

What does blue exhaust smoke indicate?


A) oil entering the combustion chamber
B) coolant entering the combustion chamber
C) excessively rich fuel mixture
D) All the answers are correct.

Correct Answer:

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