HVAC Interview questions || Mechanical Interview questions.

this video about HVAC interview questions and this very helpful for HVAC student must watch,,
Heating, ventilation, and air conditioning
Heating, ventilation, and air conditioning (HVAC) system is designed to achieve the environmental requirements of the comfort of occupants and a process. HVAC systems are more used in different types of buildings such as industrial, commercial, residential and institutional buildings
Its goal is to provide thermal comfort and acceptable indoor air quality. HVAC system design is a subdiscipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics and heat transfer.

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