HVAC Maintenance Chiller Plant Operator Interview Questions and Answers

HVAC stands for Heating, Ventilation, and Air Conditioning.

• HVAC is a technology used for indoor and vehicular environmental comfort.

• It is responsible for providing heating, cooling, and ventilation to maintain a comfortable and healthy indoor environment.

• Heating is achieved through systems like furnaces, boilers, or heat pumps.

• Cooling is achieved through air conditioners or refrigeration systems.

• Ventilation involves th...read more

The vapour refrigeration cycle is a thermodynamic cycle used in refrigeration systems to remove heat from a space and transfer it to the surroundings.

• The cycle consists of four main components: a compressor, a condenser, an expansion valve, and an evaporator.

• The refrigerant, in a gaseous state, is compressed by the compressor, increasing its pressure and temperature.

• The high-pressure, high-temperature refrigerant then ...read more