Q. Which one of the following symptoms will not show that combustion is becessary complete.

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

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

Published by Mr. Dubey ⭐ 111.54K Points at 20-Sep-2023 12:23 pm in Heat Engines

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