Engine : Gas Turbines - 394/277 |
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The purpose of the metal spray rub coating on the rotor and stator casing of an axial type compressor is which of the following? |
A) control airflow through the compressor |
B) provide close vane to rotor and blade to stator case clearances |
C) seal the circumferential dovetails |
D) ensure protection for the gearbox adapter when removing or replacing the bearings |
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