AG Mechanics CDE Practice Exam

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Prepare for the AG Mechanics CDE Exam. Study with flashcards and multiple choice questions, each question has hints and explanations. Get ready for your exam!

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The camshaft opens and closes the:

  1. breather

  2. intake valve

  3. exhaust valve

  4. both B and C

The correct answer is: both B and C

The camshaft is responsible for controlling the opening and closing of the intake and exhaust valves. The breather is a separate component in the engine that helps regulate air flow. So, options A, B, and C are incorrect because they all refer to individual components, while the camshaft controls both the intake and exhaust valves simultaneously. Option D, on the other hand, correctly states that the camshaft is responsible for opening and closing both the intake and exhaust valves.

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