FAA AMT (Aviation Maintenance Technician) Airframe Practice Exam

How is cold air supplied in some turbine aircraft where hot compressor bleed air operates the conditioned air system?

By opening the vent windows By the air cycle machine turbine Through liquid cooling systems Using external air sources

Correct Answer:

By the air cycle machine turbine

Explanation:

In some turbine aircraft, where hot compressor bleed air operates the conditioned air system, cold air is supplied by the air cycle machine turbine. The air cycle machine is a type of air conditioning system commonly used in aircraft. It operates by utilizing the hot compressor bleed air to remove heat from the cabin air and then supply cold air back into the cabin. Vent windows, liquid cooling systems, and external air sources are not the methods used to supply cold air in turbine aircraft with this type of air conditioning system.

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