Which oxygen system allows oxygen to flow automatically to the distribution system when cabin altitude reaches 12,500 feet?
a. Crew.
b. Troop.
c. Low-pressure.
d. High-pressure
Answer: B
Which oxygen system allows oxygen to flow automatically to the distribution system when cabin altitude reaches 12,500 feet?
a. Crew.
b. Troop.
c. Low-pressure.
d. High-pressure
Answer: B