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# 1 * a) Working fluid: Pneumatics use air, Hydraulics use Oil
* b) Power: Pneumatic power less than hydraulic power
* c) Size: P components are smaller than H components
* d) Leakage: Leaks in hydraulics cause fluid to be sticking around the components. In pneumatics, air is leaked into the atmosphere.
* e) Pneumatics obtain power from an air compressor while hydraulics require a pump
* f) Air is compressible, hydraulic oil is not
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  1. Question Published at Thursday, 01 July 2010 in Category Mechanical Engineering. Question Visited: 6516 Times.
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