High School

On low-pressure chillers, moisture typically enters the refrigerant system through:

a) air leaks in the rupture disc assembly
b) tube leaks
c) air leaks from areas with gaskets or fittings
d) air leaks from the charging valve

Answer :

Final answer:

Moisture typically enters the refrigerant system of low pressure chillers through air leaks in areas with gaskets or fittings. These areas are more susceptible to leaks due to the variable pressures in different parts of the system.

Explanation:

On low pressure chillers, moisture typically enters the refrigerant system predominantly through air leaks in areas with gaskets or fittings. Refrigerant systems, such as low pressure chillers, operate using a cycle of condensation and evaporation. An electrically driven compressor increases the gas's temperature and pressure and pushes it into the condenser coils. Because the gas's temperature is higher than the room's, heat energy transfers to the room, and the gas liquefies. The liquid then goes through a pressure-reducing valve, and, after being cooled through expansion, it proceeds to the outdoor evaporator coils where the cycle restarts. An air leakage in any section of this system, especially areas with gaskets or fittings, can let in moisture, influencing performance negatively.

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