ICC Commercial Mechanical Practice Exam

Exhaust air may not be directed toward which of the following?

1. Into an attic

2. Crawl space

3. Onto walkways

4. Any of these

The correct answer is: Any of these

Exhaust air may not be directed toward any of the specified areas due to potential health and safety hazards. Directing exhaust air into an attic can lead to overheating and potential fire hazards, as excessive heat and moisture can accumulate in these spaces, affecting the structural integrity of the building and promoting the growth of mold. Sending exhaust air into a crawl space poses similar risks; it could introduce moisture that encourages mold growth and structural damage while also creating a haven for pests. If the exhaust is directed onto walkways, this can create uncomfortable conditions for occupants and potentially lead to slip hazards when water or condensation forms on pathways. Therefore, proper ventilation practices dictate that exhausted air must be routed in a manner that prevents these issues, making it crucial not to direct it toward any of the areas mentioned.