Type training · Boeing 737NG B1.1 · ATA 36
Boeing 737NG B1.1: Pneumatic (ATA 36)Type training questions & answers
5th and 9th stage bleed, bleed air regulator and PRSOV, 450°F thermostat, precooler, bleed trip and isolation valve.
- A worked explanation on every question
- Written for the 737-600/700/800/900
- Read in English or 15 other languages
Sample Pneumatic questions with answers
Three questions from the free preview. Think of your answer first, then open the explanation.
1.Where are the 737NG APU and its bleed components?
- A.In the main wheel well, on the keel
- B.Torque box in section 48
- C.In the aft cargo compartment ceiling
Show answer and explanation
Correct answer: B. Torque box in section 48
The APU and APU bleed components are in a torque box in section 48. Ref Boeing 737-600/700/800/900 training manual, ATA 36.
2.From which compressor stages does 737NG engine bleed come?
- A.Fan and booster only
- B.5th and 9th HPC stages
- C.4th and 10th HPC stages
Show answer and explanation
Correct answer: B. 5th and 9th HPC stages
Engine bleed comes from the 5th and 9th stages of the HP compressor. Ref Boeing 737NG training manual, ATA 36.
3.What controls 737NG 9th stage bleed flow?
- A.The PRSOV, with no other valve
- B.The precooler control valve
- C.High stage regulator and valve
Show answer and explanation
Correct answer: C. High stage regulator and valve
A high stage regulator and high stage valve control 9th stage flow; the 5th stage check valve stops reverse flow. Ref Boeing 737NG training manual, ATA 36.
Part of the Boeing 737NG B1.1 airframe and systems course
One chapter of the Boeing 737NG B1.1 airframe and systems course question bank, for the 737-600/700/800/900, written in our own words for revision. Your type course and the aircraft maintenance manual stay the authority: limits and procedures can differ between airframes and operators.
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