Sketch a simple hydraulic circuit using ANSI symbols that include the following: reservoir, pump, pressure relief valve, four-way, two-position solenoid valve, double acting cylinder, and spring loaded accumulator. The four-way, two-position, solenoid valve will be used to reverse the direction of travel for the double acting cylinder and the accumulator will insure the cylinder does not creep once in the extended position. The pressure relief valve will ensure the system does not exceed application requirements. Note: Addition of a check valve above the pump as shown in the circuit below will ensure that the double acting cylinder will not creep even with the loss of pump output.

What will be an ideal response?


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The best wrench to use when loosening a bleeder screw is a/an:

A. 12 point socket B. open end wrench C. six point bleeder valve wrench D. line wrench

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What are the two main types of pneumatic control valves?

What will be an ideal response?

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When practicing horizontal V-groove welds, pay particular attention at the termination of the weld to fill the

_____. a. pad b. root c. crater d. puddle

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