CPL Human Factors Practice Questions - CASA Commercial Pilot Licence (Aeroplane) - Human Factors (CHUF) Exam

What is the primary source of carbon monoxide (CO) contamination in a light aircraft cabin?

Degradation of cabin seat cushions due to solar radiation Incomplete combustion of fuel entering through open windows during taxi Outgassing of standard aviation gasoline from the wing tanks A crack in the engine exhaust shroud or cabin heater heat exchanger

Correct Answer:

A crack in the engine exhaust shroud or cabin heater heat exchanger

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