A low-pressure, vacuum-insulated vessel containing gases in liquid form. This is an NFPA 99 definition for which of the following.

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Multiple Choice

A low-pressure, vacuum-insulated vessel containing gases in liquid form. This is an NFPA 99 definition for which of the following.

Explanation:
This item is describing a storage vessel designed to hold gases in liquid form at very low pressure, using vacuum insulation to minimize heat transfer. In NFPA 99, such a vessel is classified as a container, not a cylinder. Cylinders are high-pressure vessels meant for compressed gases and are typically portable; they are not vacuum-insulated dewars. An appliance refers to equipment that uses energy to perform a function, not solely a storage vessel. A safety can is a portable container for flammable liquids, again not a cryogenic, vacuum-insulated storage vessel. So the best fit for this description is a container.

This item is describing a storage vessel designed to hold gases in liquid form at very low pressure, using vacuum insulation to minimize heat transfer. In NFPA 99, such a vessel is classified as a container, not a cylinder. Cylinders are high-pressure vessels meant for compressed gases and are typically portable; they are not vacuum-insulated dewars. An appliance refers to equipment that uses energy to perform a function, not solely a storage vessel. A safety can is a portable container for flammable liquids, again not a cryogenic, vacuum-insulated storage vessel. So the best fit for this description is a container.

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