Basic Process Knowledge (Multiple Choice) 20180824
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The neutral oil circuit in a Y-type functional directional control valve is . A. Port P is closed, while ports A, B, and O are all open. B. All four ports – P, A, B, and O – are closed. C. Ports P, A, and O are connected, while port B is closed. D. Ports P and O are connected, and both are closed as well as port B
B. P, A, B, O – all fully enclosed
A. Port P is closed; ports A, B, and O are all open
A. Port P is closed; ports A, B, and O are all open
A. Port P is closed; ports A, B, and O are all open