In: Physics
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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