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A pneumatic subsystem is used to ______________

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A pneumatic subsystem is used to ______________

(a) provide compressed air for pressurization

(b) more pressure output

(c) deflect control surface

(d) provide electrical power

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Question is from Subsystems in portion Landing Gear and Subsystems of Aircraft Design

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Correct answer is (a) provide compressed air for pressurization

To explain: A typical pneumatic system is used for operation requiring less amount of power or pressure. It is used to provide compressed air for pressurization of the aircraft. More pressure output can be achieved by using hydraulic system.

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