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Rotary compressors used in aircraft: select the common type for high-throughput, high-speed applications. Choose the type of rotary compressor predominantly used in aeroplanes.

Difficulty: Easy

Centrifugal type
Axial flow type
Radial flow type
None of these

Correct Answer: Axial flow type

Explanation:

Concept/Approach
Aircraft engines require very high mass flow rates with compact frontal area and favorable efficiency at high pressure ratios. Axial-flow compressors meet these requirements better than centrifugal units for large engines.

Final Answer
Axial flow type.

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