Question:medium

In a subsonic jet engine, what is the primary thermodynamic purpose of the diffuser located after the compressor?

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For a subsonic diffuser, \[ \boxed{ V\downarrow,\qquad P\uparrow. } \] Its primary purpose is pressure recovery before combustion.

Updated On: Jul 14, 2026

To decrease the static temperature of the air
To act as a heat exchanger for the incoming fuel
To increase static pressure by decreasing flow velocity
To increase Mach number to ensure rapid fuel mixing

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The Correct Option is C

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