Room air conditioners and packaged units are examples of _________(a) Direct expansion systems(b) Indirect expansion systems(c) Chilled water systems(d) Indirect contraction systemsI had been asked this question during an internship interview.My query is from Systems and Essentials of Air Conditioning System in section Air Conditioning, Thermal Insulation, Stones & Ferrous Metals of Construction & Building Materials

Room air conditioners and packaged units are examples of _________(a)

1.	Room air conditioners and packaged units are examples of _________(a) Direct expansion systems(b) Indirect expansion systems(c) Chilled water systems(d) Indirect contraction systemsI had been asked this question during an internship interview.My query is from Systems and Essentials of Air Conditioning System in section Air Conditioning, Thermal Insulation, Stones & Ferrous Metals of Construction & Building Materials
Answer» Right choice is (a) Direct EXPANSION systems For EXPLANATION: Air CONDITIONING systems are classified into two categories. These are direct expansion systems and CHILLED water systems. Room air conditioners and packaged units are examples of direct expansion systems.

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