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In: Physics

For each of the following, fill in the blanks with "Less than", "Greater than", or "Equal...

For each of the following, fill in the blanks with "Less than", "Greater than", or "Equal to"

*) A gas flows through a one-inlet, one-exit control volume operating at steady state with no internal irreversibilities, Qcv = 0. Heat transfer at a rate Qcv takes place only at a location on the boundary where the temperature is Tb. The specific entropy of the gas at the exit is _____ than the specific entropy of the gas at the inlet.

*) A gas flows through a one-inlet, one-exit control volume operating at steady state with no internal irreversiblities, Qcv < 0. Heat transfer at a rate Qcv takes place only at a location on the boundary where the temperature is Tb. The specific entropy of the gas at the exit is _____ than the specific entropy of the gas at the inlet.

* ) A gas flows through a one-inlet, one-exit control volume operating at steady state with no internal irreversibilities, Qcv > 0. Heat transfer at a rate Qcv takes place only at a location on the boundary where the temperature is Tb. The specific entropy of the gas at the exit is _____ than the specific entropy of the gas at the inlet.

*) A gas flows through a one-inlet, one-exit control volume operating at steady state with internal irreversibilities present, Qcv >= 0. Heat transfer at a rate Qcv takes place only at a location on the boundary where the temperature is Tb. The specific entropy of the gas at the exit is _____ than the specific entropy of the gas at the inlet.

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