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RAC
In an air washer, air ……….
- Is heated
- Cooled
- Humidified
- All of these processes can happen depending on the temperature of air
In a direct expansion system the product to be cooled ……….
- Comes directly in contact with the refrigerant flowing inside the evaporator and mixes with it
- Is outside the surface of the evaporator and cooled by transfer of heat to the refrigerant flowing inside the evaporator
- Is cooled by an intermediate coolant which is cooled by the refrigerant flowing inside the evaporator
- None of these
Direct expansion coil evaporator is —————- :
- Flooded type evaporator
- Dry type evaporator
- Wet type evaporator
- None of these
Dry evaporator is one in which?
- The exit from evaporator is dry saturated refrigerant
- The exit from evaporator is superheated refrigerant
- The exit from evaporator has refrigerant with high dryness fraction.
- The inlet to the evaporator has refrigerant with some dryness fraction
