A _______ attached to the float moves up and down inside a cylinder.
A. chain
B. barrel
C. piston
D. load
A. chain
B. barrel
C. piston
D. load
The correct choice is C. piston
A piston attached to the float moves up and down inside a cylinder, fixed to the platform and is therefore relatively stationary. This piston cylinder arrangement is used as a reciprocating air compressor.