CPL Aircraft General Knowledge Practice Questions - CAASL Commercial Pilot License (CPL) Aircraft General Knowledge Examination Exam

During the operation of a pneumatic de-ice boot system, what is the purpose of the vacuum system?

To inflate the boots rapidly when ice is detected To hold the boots flat against the wing leading edge when the system is not in use To draw cold outside air into the wing structures for cooling To vacuum loose ice off the wing surface after it is shattered

Correct Answer:

To hold the boots flat against the wing leading edge when the system is not in use

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