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23 July, 18:00

Air at 27 ºC and 5 atm is throttled by a valve to 1 atm. If the valve is adiabatic and the change in kinetic energy is negligible, what is the exit temperature of the air?

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  1. 23 July, 20:20
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    27 °C

    Explanation:

    BY the statement of the question it is clear that it is about an ideal gas - and hence if change in KE is about zero - then there will be no change of temperature.

    So, answer is 27 °C
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