Hvac Maintenance Engineer Interview Questions and Answers

A cooling tower is a device used to remove heat from a building or industrial process by transferring it to the atmosphere.

• Cooling towers are commonly used in HVAC systems to cool water for air conditioning.

• They work by evaporating a small portion of the water to remove heat from the rest of the water.

• Cooling towers can be found on the roofs of buildings or as standalone structures near industrial facilities.

• Examples of cooling tower manufacturers include Marley, BAC, and Eva...read more

A chiller is a machine that removes heat from a liquid via a vapor-compression, absorption refrigeration cycle or by a thermoelectric process.

• Chillers are commonly used in HVAC systems to cool buildings or industrial processes.

• They work by transferring heat from the liquid being chilled to a different medium, such as air or water.

• Chillers can be air-cooled, water-cooled, or evaporatively cooled.

• Examples of chillers include air chillers, water chillers, and absorption chillers...read more