USCG Exam PracticeAir conditioning, ventilation, and compressed air
Which of the following correctly identifies the motor location requirement for powered ventilation in a compartment above the weather deck that contains gas-consuming appliances?
- A. The motor must be located inside the compartment to reduce duct length.
- ✓ The motor must be located outside the compartment.Correct
- C. The motor location is unrestricted provided the ventilation rate meets requirements.
- D. The motor must be located at the floor level of the compartment.
Why B is correct
46 CFR §58.16-20(a) states that powered ventilation may be used in above-deck compartments provided the motor is outside the compartment. The same requirement applies to below-deck compartments under §58.16-20(b).
Cited:46 CFR §58.16-20