ME 360 Midterm: ME 360 Alabama Test3 Fall09

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31 Jan 2019
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Total of 40 out of 100 points for questions #1 to #8. 12/10/09: [12] fully identify all of the following schematic symbols, [3] one of the four common center conditions/types for hydraulic 3-position directional control valves is the open center. The other three types are the _____________________ center, the. Over: [6] in lab #9 (proximity sensors and plc intro) there were three different types of proximity sensors. Identify the three proximity sensor types and give a primary advantage of each: [6] estimate the pressures p1, p2, and p3 while the load in the figure below is moving up the incline. 30 drod=0. 80 in: [7] draw the schematic symbols for the following fluid power or electrical system components, diode, nc limit switch, no momentary contact pushbutton ram cylinder, hydraulic motor, accumulator, check valve. Closed book, but one page of hand-written notes allowed for this section of the test: [20] a factory automation system is shown below.

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