Carbon monoxide is being discussed. Technician A says carbon monoxide smells like unburned fuel. Technician B says carbon monoxide may come from the shop heating system. Who is correct?

Question

Quizplus · Accepted Answer

Carbon monoxide is odorless, making Technician A's statement incorrect. Technician B is correct because carbon monoxide can indeed come from combustion appliances like a shop heating system if they are malfunctioning or improperly vented.

Carbon Monoxide Is Being Discussed