FAA AMT (Aviation Maintenance Technician) Airframe Practice Exam

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Prepare for the FAA AMT Airframe Exam with our comprehensive quiz. Featuring flashcards and multiple choice questions, each with hints and explanations to enhance your learning experience. Get ready to pass your exam with confidence!

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If it is necessary to adjust several pressure regulating valves in a hydraulic system, in what sequence should they be adjusted?

  1. No specific sequence is necessary

  2. Units with the lowest pressure settings are adjusted first

  3. Units with the moderate pressure settings are adjusted first

  4. Units with the highest pressure settings are adjusted first

The correct answer is: Units with the highest pressure settings are adjusted first

Adjusting units with the highest pressure settings first is the best sequence to follow when adjusting several pressure regulating valves in a hydraulic system. This is because starting with the highest pressure settings ensures that the valves with the largest impact on the overall system will be properly adjusted before moving on to those with lower pressure settings. If units with lower pressure settings were adjusted first, it could potentially cause issues with the higher pressure units and make it difficult to achieve proper system pressure. Additionally, not having a specific sequence (choice A) or starting with moderate pressure settings (choice C) may lead to a more time-consuming and inefficient adjustment process. Therefore, adjusting units with the highest pressure settings first is the most logical and effective approach.