For the fluid power automobile lift system of Figure 1, the air pressure equals 500 kPa gage. If the hydraulic piston has a 270-mm diameter, what is the maximum weight of an automobile that can be lifted? Take the specific gravity of the oil as 0.90. What is the percentage error in the answer to this problem occurs by ignoring the 1-m head of oil between the air-oil surface and the bottom surface of the piston?

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FLUID POWER TECHNOLOGY

4) For the fluid power automobile lift system of Figure 1, the air pressure equals 500 kPa gage. If the hydraulic piston has a 270-mm diameter, what is the maximum weight of an automobile that can be lifted? Take the specific gravity of the oil as 0.90. What is the percentage error in the answer to this problem occurs by ignoring the 1-m head of oil between the air-oil surface and the bottom surface of the piston? 

AIR FROM
COMPRESSOR
CONTROL
VALVE
PISTON
1 m
AIR
OIL
OIL
Figure 1
Transcribed Image Text:AIR FROM COMPRESSOR CONTROL VALVE PISTON 1 m AIR OIL OIL Figure 1
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