Rakshak Securitas Hvac Chiller Technician Interview Questions and Answers

There are different types of chillers such as air-cooled, water-cooled, absorption, and centrifugal. AHU is an air handling unit that conditions and circulates air in a HVAC system.

• Types of chillers include air-cooled, water-cooled, absorption, and centrifugal.

• AHU works by conditioning and circulating air in a HVAC system.

• AHU parts include filters, coils, fans, dampers, and controls.

• Pump motor is used to circulate chil...read more

The refrigeration cycle is a process in which refrigerant absorbs heat from the indoor air and releases it outside, cooling the indoor space.

• The refrigeration cycle consists of four main parts: compressor, condenser, expansion valve, and evaporator.

• The compressor is responsible for compressing the refrigerant gas, increasing its temperature and pressure.

• The condenser then releases the heat absorbed by the refrigerant t...read more