Question

What do you mean by Liquefaction? How can the gas be liquefied?

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Answer 1

Answer:

Liquefaction of gases is physical conversion of a gas into a liquid state (condensation). The liquefaction of gases is a complicated process that uses various compressions and expansions to achieve high pressures and very low temperatures, using, for example, turboexpanders.

Answer 2

Answer:

Liquefaction takes place when loosely packed, water-logged sediments at or near the ground surface lose their strength in response to strong ground shaking. Liquefaction occurring beneath buildings and other structures can cause major damage during earthquakes.

Gases can be liquefied by one of three general methods:

(1) by compressing the gas at temperatures less than its critical temperature;

(2) by making the gas do some kind of work against an external force, causing the gas to lose energy and change to the liquid state;

(3) by making gas do work against its own internal forces, also causing it to lose energy and liquefy its own internal forces, also causing it to lose energy and liquefy.

Hope it helps u !!