PHYS 204A Midterm: PHYS 204A Chico State Exam 3 Fall 15
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Total of 35 out of 100 points for questions #1 to #6. Name or sketch: [3] one of the four common center conditions/types for hydraulic 3-position directional control valves is the float center. The other three types are the _________________ center, the. Over: [13] identify all ten of the fluid power components shown in the figure below, [6] identify the illegal elements or plc rule violations in the direct logic ladder logic system below. Note that these do not depend on the exact application for this system. Closed book, but one page of hand-written notes allowed for this section of the test. 5/7/09: [10] a) a hydraulic tube has a diameter of 0. 25 inches with a flow rate of 3. 2 gpm. What is the average fluid velocity in the tube: a hydraulic pump delivers 5. 6 gpm of flow at a p of 2000 psi.
