// LET'S STUDY AVIATION

Let's Study Aviation

Airframe Test A1 and Power Plant Test A4 — pick a subject and test yourself.

1 8548. (1) Usually bleed air from a gas-turbine engine compressor can be safely used for cabin pressurization. (2) Independent cabin condition air machines (air cycle machine) can be powered by bleed air from an aircraft turbine engine compressor. Regarding the above statements,