When a gas flows through a
very long pipe of uniform cross section, the flow is approximately
Isentropic
Isobaric
Isothermal
Adiabatic
Isothermal
Isothermal flow is a model of
compressible fluid flow where by the flow remains at the same temperature while
flowing in a conduit. In a model, heat transferred through the walls of the conduit
is offset by frictional heating back into the flow.
Hence, the correct option is (C).
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