Claude process of gas liquefaction employs___________________?
Correct answer: B. Adiabatic expansion against a piston or in a turbine
- A. Merely compression of gas beyond its critical pressure
- B. Adiabatic expansion against a piston or in a turbine
- C. Heat exchange with colder stream
- D. Joule-Thomson expansion cooling
Explanation
The Claude liquefaction process combines heat exchange with expansion in an engine or turbine, producing cooling through nearly adiabatic expansion. The expansion engine is the distinguishing feature among the listed choices.
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