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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The needle valve in the carburetor float bowl can have a needle point made of which two materials?

  1. Glass or plastic

  2. Neoprene or brass

  3. Rubber or metal

  4. Steel or aluminum

The correct answer is: Neoprene or brass

The needle valve in the carburetor float bowl can have a needle point made of neoprene or brass. Neoprene is a durable synthetic rubber that can provide a good seal to prevent fuel leakage, while brass is a corrosion-resistant metal that is commonly used in carburetor components. This combination of materials helps ensure proper fuel regulation and efficient engine performance. Options A, C, and D are incorrect because glass, plastic, rubber, metal, steel, and aluminum are not common materials used for the needle point in a carburetor float bowl needle valve.

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