Question: A device with no moving parts provides a steady stream of dulled air at - 25 C and I bar. The feed to the device

A device with no moving parts provides a steady stream of dulled air at - 25 C and I bar. The feed to the device is compressed air at 25C and 5 bar. In addition to the stream of chilled air, a second stream of warm air flows from the device at 75 C and I bar. Assuming adiabatic operation, what is the ratio of chilled air to warm air that the device produces? Assume that air is an ideal gas for which Cp = (7/2)R?

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