Technician a Says That an Air-Fuel Mixture That Is Too

question 14

Multiple Choice

Technician A says that an air-fuel mixture that is too lean can cause burned internal engine parts. Technician B says an overly rich mixture can cause oil wash from cylinder walls. Which technician is correct?

• A)Technician A
• B)Technician B
• C)Both technicians
• D)Neither technician

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Definitions:

DOT 4 Hydraulic

A type of hydraulic fluid specified by the Department of Transportation (DOT) for use in brake and clutch systems, known for its high boiling point.

Atmospheric Air

The natural air found in the Earth's atmosphere, composed of nitrogen, oxygen, and trace amounts of other gases, at conditions prevailing at any specific location and time.

Hygroscopic

The ability of a substance to absorb moisture from the air.

Non-servo Drum Brake

A type of drum brake system that relies on a simpler mechanism without servo action, often found in older or less complex vehicles.