Q. Which of the following symptoms will not show that the combustion is necessarily complete or not?

(A) Presence of free carbon in exhaust
(B) Presence of carbon monoxide in the exhaust
(C) Presence of oxygen is the exhaust
(D) Presence of nitrogen in the exhaust

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✅ Correct Answer: (D) Presence of nitrogen in the exhaust

Published by Vikash Gupta ⭐ 33.56K Points at 17-Feb-2025 06:51 pm in Automobile Engineering

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