Question
Give a reason why air is not commonly used as the fluid in a hydraulic lift.
Answer
Air is highly compressible, which means it can be easily compressed or expanded under pressure.
In hydraulic systems, the working fluid needs to be relatively incompressible to transmit force efficiently. If air were used, it would compress significantly under load, leading to a loss of pressure and reduced lifting force. In contrast, hydraulic fluids like oil are much less compressible, providing stable and consistent force transmission.
In hydraulic systems, the working fluid needs to be relatively incompressible to transmit force efficiently. If air were used, it would compress significantly under load, leading to a loss of pressure and reduced lifting force. In contrast, hydraulic fluids like oil are much less compressible, providing stable and consistent force transmission.
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