Aircraft Bleed Air Systems! Trivia Questions Quiz
Are you familiar with the phrase, aircraft bleed systems? The uncontrolled loss of blood air from the pneumatic system or any of the pneumatically powered services have the potential to inflict damage to aircraft structures. Bleed air is comprised of air taken from the compressor stage of a gas turbine upstream of its fuel-burning sections. Try this quiz and test your knowledge about aircraft bleed air systems.
- 1.What is the atmospheric pressure at sea level?
- A.
14.69 psi
- B.
12.32 psi
- C.
13.45 psi
- D.
17.36 psi
- 2.What is the purpose of the bleed ait system?
- A.
To operate or control hydraulic systems or components.
- B.
To operate or control pneumatic systems or components.
- C.
To operate or control electrical systems or components.
- D.
To operate or control engine systems or components.
- 3.What is the temperature and pressure of bleed air?
- A.
150 psi and 300-600 degrees Fahrenheit.
- B.
150 psi and 600-900 degrees Fahrenheit.
- C.
200 psi and 300-600 degrees Fahrenheit.
- D.
200 psi and 600-900 degrees Fahrenheit.
- 4.What function does a pressure limiter serve in a bleed air system?
- A.
To protect upstream components from excessive pressure.
- B.
To protect downstream components from excessive pressure.
- C.
To protect upstream components from inadequate pressure.
- D.
To protect downstream components from inadequate pressure.
- 5.What are the two functions of the airflow regulator?
- A.
Inlet pressure and and temperature regulation.
- B.
Air temperature regulation and sensing.
- C.
Flow control and pressure limiting.
- D.
Pressure sensing and flow limiting.
- 6.What materials are used for high-pressure/high-temperature ducting?
- A.
Titanium.
- B.
Plastic.
- C.
Aluminum.
- D.
Stainless steel.
- 7.What type of lubricant can be used on beaded duct sleeves to aid in the installation?
- A.
Oil.
- B.
Water.
- C.
Grease.
- D.
None.
- 8.Which F-22 bleed air system components prevent bleed air from back flowing into the left and right engines?
- A.
Left and right secondary bleed air check valves.
- B.
Forward and aft secondary bleed air check valves.
- C.
Left and right primary bleed air check valves.
- D.
Forward and aft primary bleed air check valves.
- 9.What is the sensitive pressure range of the F-22 bleed air system's primary HE injector inlet pressure sensor?
- A.
0-150 psi
- B.
0-275 psi
- C.
0-350 psi
- D.
0-550 psi
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