AG Mechanics CDE Practice Exam 2025 – The Comprehensive All-in-One Guide for Success

Question: 1 / 400

What component in a carburetor helps maintain the proper fuel level?

Diaphragm

Throttle

Float

The component in a carburetor that helps maintain the proper fuel level is the float. The float is a buoyant device that rises and falls with the fuel level in the carburetor bowl. As the fuel level rises, the float lifts, which then closes the needle valve, stopping the flow of fuel into the carburetor. This mechanism helps prevent too much fuel from entering the carburetor, ensuring the correct fuel-air mixture for combustion in the engine.

The other options, such as the diaphragm, throttle, and choke, play essential roles in the carburetor but do not directly control the fuel level in the same way as the float does.

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Choke

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