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Mechanical Engineering · Q174

Refrigeration And Air Conditioning

Engineering and GATE · Mechanical Engineering · question 174

Q174

If a gas is to be liquefied, its temperature must be

A.
Increased to a value above its critical temperature
B.
Reduced to a value below its critical temperature
C.
Equal to critical temperature
Answer
D.
None of the above

Answer: Option C

Solution

Answer: Option C
Solution:
If a gas is to be liquefied, its temperature must be Equal to critical temperature