USCG Exam PracticeAir conditioning, ventilation, and compressed air
A compartment located entirely below the weather deck contains gas-consuming appliances. What ventilation is required by regulation?
- A. At least two natural ventilator ducts, one extending to the floor and one to the overhead
- ✓ Powered ventilation sufficient to change the air at least once every 6 minutes, with the motor located outside the compartmentCorrect
- C. Powered ventilation sufficient to change the air at least once every 10 minutes, with the motor located inside the compartment
- D. Natural ventilation with a minimum of one duct extending to the floor level
Why B is correct
46 CFR §58.16-20(b) requires powered ventilation of sufficient capacity to effect a change of air at least once every 6 minutes for compartments below the weather deck containing gas-consuming appliances, and the motor must be located outside the compartment.
Cited:46 CFR §58.16-20