Distinguish between 'supply air' and 'bailout air' in the context of SCBA.

Distinguish between 'supply air' and 'bailout air' in the context of SCBA.

• A. Bailout air is the main breathing air from the cylinder during normal operation.
• B. Supply air is the main breathing air from the cylinder during normal operation; bailout air is a separate emergency air supply used to exit quickly if the main supply is compromised.
• C. Both are the same; there is no difference.
• D. Supply air is the emergency air; bailout air is normal use.

Answer: (B)