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Only convergent section will be used for supersonic speeds.

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Only convergent section will be used for supersonic speeds.

(a) True

(b) False

The question was asked in an interview for internship.

This intriguing question originated from Propulsion in portion Propulsion and Fuel System Integration of Aircraft Design

1 Answer

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The correct answer is (a) True

Explanation: Convergent section alone can be used to increase flow velocity if flow is in subsonic speed. However at supersonic speeds only convergent section of the nozzle cannot provide required velocity. At supersonic speeds, convergent section works as the diffuser.

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