Type 3 airlock is used to transmit between what?

Type 3 airlock is used to transmit between what?

• A. From unprotected area to protected area
• B. Between two protected areas
• C. From protected area to unprotected area
• D. Exiting to space

Answer: (B)

Airlocks protect the atmosphere and integrity of protected spaces when you move between compartments. A Type 3 airlock is designed specifically for passage between two protected areas, so both sides remain safeguarded during the transfer. It uses interlocking doors and controlled pressure so you don’t vent or contaminate one side by moving into or through the other. Moving from an unprotected area to a protected area or exiting to space would defeat that protection, which is why those options aren’t the intended use. So the correct idea is that this airlock links two protected areas.

Airlocks protect the atmosphere and integrity of protected spaces when you move between compartments. A Type 3 airlock is designed specifically for passage between two protected areas, so both sides remain safeguarded during the transfer. It uses interlocking doors and controlled pressure so you don’t vent or contaminate one side by moving into or through the other. Moving from an unprotected area to a protected area or exiting to space would defeat that protection, which is why those options aren’t the intended use. So the correct idea is that this airlock links two protected areas.