Liquefaction of gases can not be done by – McqOptions

MCQOPTIONS

1.	Liquefaction of gases can not be done by
A.	exchange of heat with colder stream.
B.	adiabatic expansion through a throttle valve (Joule-Thomson expansion).
C.	merely compressing it beyond critical pressure.
D.	adiabatic expansion against a piston or in a turbine.
Answer» D. adiabatic expansion against a piston or in a turbine.

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