1.

The temperature of the system decreases in an

Answer»

Adiabatic compression
Isothermal compression
Isothermal expansion
Adiabatic expansion

Solution :When a real gas is forced through a porous plug into a region of LOW pressure, it is FOUND that due to expansion, the gas on the side of low pressure gets cooled.
The phenomenon of PRODUCING lowering of temperature when a gas is made to EXPAND ADIABATICALLY from a region of high pressure into a region of low pressure is known as Joule-Thomson effect.


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