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English Translations » 【化工工程交流】 » Basic Process Knowledge (Multiple Choice) 20180819

Basic Process Knowledge (Multiple Choice) 20180819

2018-08-19View Original

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The neutral oil circuit in a P-type functional directional control valve is . A. Port P is closed, while ports A, B, and O are connected to each other. B. All four ports – P, A, B, and O – are closed. C. Ports P and A, B are connected, while port O is closed. D. Ports P and O are connected, while ports A and B are both closed
Reply #22018-08-19
the anser is A
Reply #32018-08-19
C. P, A, and B are connected; O is closed
Reply #42018-08-19
C. P, A, and B are connected; O is closed
Reply #52018-08-19
C. P, A, and B are connected; O is closed
Reply #62018-08-19
 A. Port P is closed, while ports A, B, and O are connected to each other 
Reply #72018-08-19
C. P, A, and B are connected; O is closed

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Translated at 2026-07-26 13:36:52

Original: https://bbs.hcbbs.com/thread-2043429-1-1.html

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