In summer, it is necessary to supply ___________ air inside the room before it enters the room.(a) Dehumidified(b) Humid(c) Cool(d) HeatedThis question was addressed to me during an interview.My query is from Variations in Ventilation System with Climate topic in portion Acoustics and Ventilation of Construction & Building Materials

In summer, it is necessary to supply ___________ air inside the room b

1.	In summer, it is necessary to supply ___________ air inside the room before it enters the room.(a) Dehumidified(b) Humid(c) Cool(d) HeatedThis question was addressed to me during an interview.My query is from Variations in Ventilation System with Climate topic in portion Acoustics and Ventilation of Construction & Building Materials
Answer» The correct choice is (c) Cool Easiest explanation: The cooling can be carried out by MECHANICAL refrigeration or water spray or by cold water. In mechanical refrigeration system, volatile refrigerant is COMPRESSED, COOLED and allowed to EXPAND and then, it is passed through coils. Such coils absorb heat from the incoming air.

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