What are the two types of oxygen available for use in ground support equipment?

What are the two types of oxygen available for use in ground support equipment?

• A. Gaseous Oxygen
• B. Liquid Oxygen (LOX)
• C. Both Gaseous Oxygen and Liquid Oxygen
• D. Oxygen Canisters

Answer: (C)

Oxygen for ground support equipment is supplied in two common forms: gaseous oxygen and liquid oxygen. Gaseous oxygen is stored under pressure in portable cylinders, making it convenient for hand‑held or cart‑mounted servicing tools where mobility is important. Liquid oxygen is kept in insulated dewars as a cryogenic liquid; it provides a large, economical supply and can be warmed to gas as needed to feed larger or longer‑duration operations. The choice between them depends on the situation: you’d use gaseous oxygen for portable, low‑volume needs and LOX for bulk, high‑volume supply. Oxygen canisters, while they exist in other contexts, aren’t the standard ground‑support supply for aircraft oxygen servicing, so they aren’t considered the typical source in this setting.

Oxygen for ground support equipment is supplied in two common forms: gaseous oxygen and liquid oxygen. Gaseous oxygen is stored under pressure in portable cylinders, making it convenient for hand‑held or cart‑mounted servicing tools where mobility is important. Liquid oxygen is kept in insulated dewars as a cryogenic liquid; it provides a large, economical supply and can be warmed to gas as needed to feed larger or longer‑duration operations. The choice between them depends on the situation: you’d use gaseous oxygen for portable, low‑volume needs and LOX for bulk, high‑volume supply. Oxygen canisters, while they exist in other contexts, aren’t the standard ground‑support supply for aircraft oxygen servicing, so they aren’t considered the typical source in this setting.