Which gas is used for cooling in refrigerator A) Chloroflourocarbon B) Helium C) Nitrogen D) None of these ( ammonia) Related MCQs: Which gas is used for cooling in the industry and domestic purposes? Direct water cooling of rotor winding presents The temperature at which a real gas obeys the ideal gas laws over a wide range of pressure is called the ——–temperature The temperature of a gas in a closed container is 27° C. If the temperature of the gas is increased to 300° C, then the pressure exerted is