Which component is part of a converter assembly in a Liquid Oxygen System?

The correct answer is that all of the listed components are indeed part of a converter assembly in a Liquid Oxygen System. In such systems, each component plays a crucial role in ensuring the safe and efficient handling of liquid oxygen.

The vacuum chamber and pressure gauges are essential for maintaining the integrity of the liquid oxygen by providing insulation to keep the oxygen in a liquid state and allowing for monitoring of system pressure.

The thermos bottle effect assembly is designed to minimize heat transfer, similarly to how a thermos retains temperature, thus helping to maintain the cryogenic conditions required for liquid oxygen.

Valves, tubing, and fittings are also critical as they allow for the controlled flow and distribution of liquid oxygen within the system. These components must be robust and properly configured to prevent leakage and ensure safe operation.

Together, these components work synergistically within the converter assembly to manage liquid oxygen, making option "all of the above" the accurate choice.