Which option presents a valid open/close code pair for the valve? (Open code followed by close code)

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Multiple Choice

Which option presents a valid open/close code pair for the valve? (Open code followed by close code)

Explanation:
This tests that each valve has a specific open code paired with a specific close code, and you must use the matching pair. For this valve, the required close code is 3133, and the only open code that pairs correctly with it is 3533. So the valid combination is open 3533 followed by close 3133. The other options fail because they use an open code that isn’t the valve’s designated open code, or they use a close code that isn’t the required one for this valve.

This tests that each valve has a specific open code paired with a specific close code, and you must use the matching pair. For this valve, the required close code is 3133, and the only open code that pairs correctly with it is 3533. So the valid combination is open 3533 followed by close 3133. The other options fail because they use an open code that isn’t the valve’s designated open code, or they use a close code that isn’t the required one for this valve.

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