Compare hydraulic and pneumatic system.

Compare hydraulic and pneumatic system.
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1 Answer

Answer :

Criteria
Hydraulics
Pneumatics
Energy Carrier
Oil
Air
Energy conversion From mech. 
Hydraulic pumps 
Air Compressors
Energy transmission
Pipes, hoses, tubes etc.
Pipes hoses tubes, etc. 
Energy control
Very good with various valves
Very good with various valves
Re- conversion of energy
Hydraulic cylinder and motors
Air Cylinders and Air motors
Energy storage
Limited with Accumulator 
High with air reservoir.
Efficiency
Low Due to losses in primary conversion, in valves and secondary conversions.
Fair to good.
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