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

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Question: 1 / 400

A round disc mounted on a shaft located at the intake end of the carburetor is called a:

Choke

The correct answer is "Choke." In a carburetor, the choke is a round disc mounted on a shaft at the intake end. The choke is responsible for restricting the flow of air into the engine to create a richer fuel mixture when starting a cold engine. This richer mixture helps the engine start more easily by providing more fuel for combustion.

The other options are not correct:

- Float: The float in a carburetor is a mechanism that controls the fuel level within the carburetor bowl.

- Throttle: The throttle controls the amount of air and fuel mixture entering the engine.

- Venturi: The venturi is a constricted section in the carburetor that creates a low-pressure area to draw fuel into the airstream.

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Float

Throttle

Venturi

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