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In a chilled water system, the refrigerant is used to cool the air directly while in the direct expansion system, a secondary medium like water is used to cool the air.

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In a chilled water system, the refrigerant is used to cool the air directly while in the direct expansion system, a secondary medium like water is used to cool the air.

(a) True

(b) False

I have been asked this question in my homework.

I would like to ask this question from Systems and Essentials of Air Conditioning System topic in portion Air Conditioning, Thermal Insulation, Stones & Ferrous Metals of Construction & Building Materials

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Correct option is (b) False

Easy explanation: In the direct expansion system, the refrigerant is used to cool the air directly while in the chilled water system, a secondary medium like water is used to cool the air. In the chilled water system, the refrigerant first cools the water and then the water cools the air.

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