The air flow depicted in figure 1 of the illustration is an example of which type of ventilation? Illustration SF-0013

Correct Answer: Option B — Combination.

Combination ventilation utilizes both supply and exhaust mechanical systems to ensure effective air exchange within a space. By integrating mechanical supply and exhaust, the system prevents the accumulation of hazardous gases or heat, maintaining a safe atmosphere for personnel and equipment as required by marine safety standards.