AG Mechanics CDE Practice Exam

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Prepare effectively for the AG Mechanics CDE exam with our engaging quiz. Featuring multiple-choice questions and detailed explanations, you can increase your knowledge of agricultural mechanics and develop the skills necessary for success in the competition.

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A flexible piece in the carburetor that pulsates when a vacuum is created in the engine and draws fuel into a chamber of the carburetor is called a:

  1. float

  2. needle valve

  3. diaphragm

  4. gasket

The correct answer is: diaphragm

In a carburetor, the diaphragm is the flexible piece that pulsates when a vacuum is created in the engine. This pulsation helps draw fuel into a chamber of the carburetor. The diaphragm plays a crucial role in regulating the fuel flow based on engine demand, making it the correct answer in this question. Floats are used in the fuel bowl to regulate the fuel level, needle valves control the flow of fuel through the carburetor, and gaskets are used to create seals within the carburetor. While these components are important in the carburetor system, they do not specifically participate in drawing fuel into the chamber based on engine vacuum like the diaphragm does.

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