Naval Aircrewman – Mechanical (AWF) Test 5 Practice

Non-pressurized reservoirs are typically found in aircraft that are not designed for violent measures due to the environmental conditions they operate within. These reservoirs are used in systems where the risk of cavitation or fluid expansion under pressure is minimized, allowing for effective fluid management without the need for pressurization.

Aircraft that are designed for lower altitudes or less demanding operational environments often do not experience the extreme pressure variations that would necessitate pressurized reservoirs. This means they can safely utilize non-pressurized systems, which are generally simpler and lighter, enhancing the overall efficiency and performance of the aircraft.

In contrast, aircraft designed for high altitudes or those required to withstand violent maneuvers typically employ pressurized systems to maintain fluid integrity and prevent issues that could arise from drastic changes in atmospheric pressure. Thus, the use of non-pressurized reservoirs in less aggressive environments allows for a reliable and efficient operation without the complications that come from higher-stress conditions.