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Mechanical Engineering · Q129

Heat And Mass Transfer

Engineering and GATE · Mechanical Engineering · question 129

Q129

The critical temperature is the temperature

A.
Below which a gas does not obey gas laws
B.
Above which a gas may explode
C.
Below which a gas is always liquefied
D.
Above which a gas will never liquefied
Answer

Answer: Option D

Solution

Answer: Option D
Solution:
The critical temperature of a substance is the temperature at and above which vapor of the substance cannot be liquefied, no matter how much pressure is applied.