Al-Futtaim Group AC and Refrigeration Technician Interview Questions and Answers

A chiller is a machine that removes heat from a liquid via a vapor-compression or absorption refrigeration cycle.

• Chillers are commonly used in air conditioning systems to cool buildings or industrial processes.

• They work by transferring heat from the liquid being chilled to a different liquid or to the air.

• Chillers can be air-cooled, water-cooled, or evaporatively cooled.

• Examples of chillers include centrifugal chillers

Refrigeration cycle is a process in which refrigerant absorbs heat from the indoor air and releases it outside to cool the indoor space.

• Refrigerant absorbs heat from the indoor air through the evaporator coil.

• The refrigerant then flows to the compressor where it is compressed into a high-pressure, high-temperature gas.

• The hot gas then moves to the condenser coil where it releases heat to the outside air and condenses i...read more