Enncon Synergies Project Engineer Interview Questions, Process, and Tips

They give it to me HVAC related questions

Q1. They ask me about previous job. And HVAC system.
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Q2. What is air conditioning system?
Ans. 
An air conditioning system is a technology that cools and dehumidifies indoor air for comfort and/or to maintain a specific temperature.
• Air conditioning systems use refrigerants to absorb and release heat.

• They consist of components such as compressors, condensers, evaporators, and expansion valves.

• Examples include central air conditioning systems, window units, and split systems.
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Q3. Working principle of Air conditioning system?
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Air conditioning systems work by removing heat from indoor air and transferring it outside, cooling the air in the process.
• Air conditioning systems use refrigerant to absorb and release heat.

• The refrigerant circulates between the indoor and outdoor units, absorbing heat indoors and releasing it outdoors.

• The indoor unit blows air over cold coils to cool it, then circulates the cooled air throughout the space.

• The outdoor...read more
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Q4. What is AHU and How it Work?
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AHU stands for Air Handling Unit. It is a device used to regulate and circulate air as part of a heating, ventilation, and air conditioning (HVAC) system.
• AHU is responsible for filtering, heating, cooling, humidifying, dehumidifying, and distributing air throughout a building.

• It typically consists of a blower, heating or cooling elements, filters, dampers, and sound attenuators.

• Examples of AHU include rooftop units, pa
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Q5. Types of Chiller?
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Types of chillers include air-cooled chillers, water-cooled chillers, absorption chillers, and centrifugal chillers.
• Air-cooled chillers use air to remove heat from the refrigerant.

• Water-cooled chillers use water to remove heat from the refrigerant.

• Absorption chillers use a heat source to drive the refrigeration cycle.

• Centrifugal chillers use a rotating impeller to compress the refrigerant.
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