These are the moving components within cylinders, and they are made gas-tight by the inclusion of rings. What are they?
Answer Pistons
Pistons are components of an engine's cylinders and they are made gas-tight by piston rings. Therefore, these elements are perfect for transferring the force of expanding gas into the crankshaft by way of a piston rod.
Asked by DRay585 · Last updated 5 years ago · 24.7K views · SOURCE
