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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?
No specific sequence is necessary
Units with the lowest pressure settings are adjusted first
Units with the moderate pressure settings are adjusted first
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.