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22 July, 00:41

A gas engine that operates on a Brayton cycle has an efficiency of 0.25. On a cold day, the temperature of the air drawn into the engine is 267 K. Part A What is the temperature of the air exhausted from the engine

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  1. 22 July, 03:13
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    356K

    Explanation:

    use this formula for brayton cycle

    ∩=1 - (Tin/Tout)

    where

    ∩=efficiency

    Tin = inlet temperature

    Tout = outlet temperature

    solving

    Tout=Tin / (1-∩)

    Tout=267K / (1-0.25)

    Tout=356K
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