ATPL - The purposes of the oil and the nitrogen in an oleo-pneumatic strut are:

Question id 104 - Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

The Oil Supplies The Spring Function And The Nitrogen Supplies The Damping Function.

The oil supplies the damping function and the nitrogen supplies the spring function

The oil supplies the damping and lubrication function, the nitrogen supplies the heat-dissipation function.

The Oil Supplies The Sealing And Lubrication Function, The Nitrogen Supplies The Damping Function.