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English Translations » 【化工工程交流】 » Fundamentals of Manufacturing Processes (Multiple Choice) 20

Fundamentals of Manufacturing Processes (Multiple Choice) 20180823

2018-08-23View Original

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Fundamentals of Processing Technology (Multiple Choice) 20180823 The neutral function of an H-type three-position four-way directional control valve is . A. The oil inlet of the oil feed pump is locked, while the oil inlets of the two actuation mechanisms are unloaded. B. The oil inlet of the oil feed pump is unloaded, while the oil inlets of the two actuation mechanisms are locked. C. Both the oil inlet of the oil feed pump and those of the actuation mechanisms are locked. D. Both the oil inlet of the oil feed pump and those of the actuation mechanisms are unloaded
Reply #22018-08-23
D. Both the oil inlet of the oil feed pump and the oil inlet of the actuator are unloaded
Reply #32018-08-23
B. Unload the oil port of the oil feed pump, and lock the oil ports of the two actuation mechanisms
Reply #42018-08-23
B. Unload the oil port of the oil feed pump, and lock the oil ports of the two actuation mechanisms
Reply #52018-08-23
B. Unload the oil port of the oil feed pump, and lock the oil ports of the two actuation mechanisms

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Translated at 2026-07-21 03:57:33

Original: https://bbs.hcbbs.com/thread-2046041-1-1.html

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