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Pneumatic System Ducting Materials and Installation

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Pneumatic System Ducting Materials and Installation

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Questions and Answers

What are the common materials used for pneumatic system ducting?

Aluminum alloy, titanium, stainless steel, or molded fiberglass

How are the duct sections attached to each other?

By bolted end flanges or by band type vee clamps

What is the purpose of stainless steel expansion bellows in ducting?

To absorb any distortion or expansion of the ducting due to temperature variation

How are the joined sections of ducting sealed?

Hermetically sealed by sealing rings Signup and view all the answers

Why is pressure testing important for ducting in aircraft?

To detect defects that may result in air leaks or the inability to maintain cabin pressure Signup and view all the answers

How can frost deposits on aircraft be removed?

Frost deposits can be removed by placing the aircraft in a warm hangar or by using a frost remover or deicing fluid. Signup and view all the answers

What should be inspected in all ducting of aircraft?

All ducting should be inspected for security, general condition, or distortion. Signup and view all the answers

Why is it crucial to prevent re-freezing of liquid after removing frozen deposits from an aircraft?

It is crucial to prevent re-freezing of liquid to avoid potential hazards when the aircraft is on the ground. Signup and view all the answers

What are the possible consequences of ice, snow, or frost deposits on the external surface of an aircraft?

The presence of ice, snow, or frost may drastically affect the aircraft's performance. Signup and view all the answers

Why is it important to use only the type of de-icing fluid recommended by the aircraft manufacturer?

It is important to use the recommended de-icing fluid to avoid adverse effects on windows or the aircraft's exterior finish. Signup and view all the answers