SkyDrill
ACS area G

Environmental Systems

15 practice questions for the Aviation Mechanic Airframe (AMA) test. Open any question for the answer, an explanation of every choice, background, and the source citation. To answer them in a quiz, use the practice mode and pick this area.

  1. 1.Cabin differential pressure calculationAM.II.G.K1
  2. 2.Bleed air cabin heating methodAM.II.G.K2
  3. 3.Cooling air for electronics equipment baysAM.II.G.K3
  4. 4.Exhaust shroud heater operationAM.II.G.K4
  5. 5.Combustion heater ventilating airAM.II.G.K5
  6. 6.Why refrigerant recovery needs a service unitAM.II.G.R1
  7. 7.Transporting chemical oxygen candlesAM.II.G.R2
  8. 8.Slow-opening oxygen shutoff valvesAM.II.G.R3
  9. 9.Compressor oil quantity per pound of refrigerantAM.II.G.R4
  10. 10.Combustion heater overheat switch resetAM.II.G.R5
  11. 11.Sight glass bubbles in a vapor cycle systemAM.II.G.K6
  12. 12.Refrigeration bypass valve functionAM.II.G.K7
  13. 13.Cabin air safety valve settingAM.II.G.K8
  14. 14.Chemical oxygen generator once ignitedAM.II.G.K9
  15. 15.Hydrostatic test pressure for oxygen cylindersAM.II.G.K10