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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If a valve has a 30 degree face, then the seat would be:

  1. 30 degrees

  2. 31 degrees

  3. 45 degrees

  4. 46 degrees

The correct answer is: 30 degrees

When a valve has a 30-degree face, the corresponding seat should also have a 30-degree angle. This is because for valves to seal properly, the face of the valve and the seat must match and make full contact. If the angles do not match, the valve will not seal correctly, resulting in leaks or inefficiencies in the system. Therefore, the correct answer is A - 30 degrees. Choices B, C, and D are incorrect because they suggest angles that do not match the 30-degree face of the valve, leading to improper sealing and potential issues within the system.

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