Boeing 737 · Oxygen 题库（3 题）
Boeing 737 机型「Oxygen」相关知识共 3 道题。想练习或模拟考试，请到
题库 · 模拟考试。
1.How long does the PBE, stored under the flight deck left jump seat, provide oxygen once activated?
- Provides oxygen continuously until de-activated.
- Approximately 6 minutes.
- Approximately 12 minutes.
- Approximately 15-20 minutes ✓
正确答案：Approximately 15-20 minutes · NG · 来源 Chair Flight B737 Question Bank
2.How many oxygen masks are provided from each passenger service unit?
- 3
- 1
- 4 ✓
- 6
正确答案：4 · NG · 来源 Chair Flight B737 Question Bank
3.What is the flight crew maximum oxygen pressure for the first flight of the day?
- 1100 psi
- 3000 psi
- 1850 psi ✓
- 1000 psi
正确答案：1850 psi · NG · 来源 Chair Flight B737 Question Bank