Question

Carbon monoxide is a poisonous gas which, when inhaled, replaces the oxygen in the blood stream so that the body’s metabolism can not function correctly.

(a) True

(b) False

The question was posed to me by my college professor while I was bunking the class.

My doubt stems from Engine Emissions topic in chapter Engine Emissions and their Control of IC Engine

Answer 1

The correct answer is:

(a) True

Carbon monoxide (CO) is indeed a poisonous gas. When inhaled, it binds with hemoglobin in the blood more effectively than oxygen, reducing the amount of oxygen that can be carried by the blood. This can prevent the body's metabolism from functioning correctly and lead to symptoms like dizziness, headaches, and, in severe cases, death.