AIR Condition Technician Interview Questions and Answers

Capillary is a small tube that allows the flow of liquid or gas through narrow spaces. Compressor is a device that increases the pressure of a gas.

• Capillary is a thin tube used in air conditioning systems to control the flow of refrigerant.

• It is responsible for transferring heat from the indoor unit to the outdoor unit.

• Capillary tubes have a small diameter, typically around 0.5 to 2.0 millimeters.

• Compressor is the heart of an air conditioning system.

• It compresses the refriger...read more

A filter is a device used to remove impurities or particles from a fluid or gas. A button is a small, usually round object that is pressed to activate a function or control.

• A filter is commonly used in air conditioning systems to remove dust, pollen, and other airborne particles.

• Filters can be made of various materials such as fiberglass, pleated paper, or activated carbon.

• Buttons on an air conditioning unit can be used to control the temperature, fan speed, mode, or power.

• Fo...read more

Gas charging in a split AC involves adding refrigerant to ensure optimal cooling performance.

• Identify the type of refrigerant used (e.g., R-32, R-410A).

• Use a manifold gauge set to check the pressure levels.

• Locate the service valve on the outdoor unit.

• Connect the refrigerant cylinder to the low-pressure side.

• Open the valve slowly and monitor the pressure gauge.

• Ensure the system is running while charging for accurate readings.

• Check for leaks after charging using a leak detector...read more

The refrigeration cycle is a process that removes heat from a designated area to lower its temperature, using a refrigerant.

• 1. The cycle consists of four main processes: compression, condensation, expansion, and evaporation.

• 2. In the compression phase, the refrigerant gas is compressed, raising its pressure and temperature.

• 3. During condensation, the hot gas releases heat to the surroundings and turns into a liquid.

• 4. The expansion valve reduces the pressure of the liquid ref...read more

A.C service involves installation, maintenance, and repair of air conditioning systems.

• A.C service includes installation of new air conditioning units in homes, offices, and other buildings.

• Maintenance tasks may involve cleaning filters, checking refrigerant levels, and inspecting for any leaks or malfunctions.

• Repair work may include fixing broken parts, replacing faulty components, and troubleshooting electrical issues.

• Technicians must be knowledgeable about different types ...read more

Yes, I have experience in servicing and repairing PCBs for air conditioners.

• I have experience in diagnosing and repairing faulty PCBs in air conditioners.

• I am familiar with common issues that can occur with PCBs in air conditioners, such as short circuits or component failures.

• I have successfully repaired PCBs for various air conditioner models, ensuring proper functioning of the unit.

• I am skilled in soldering and replacing components on PCBs to fix any issues.

• I always follow...read more

AC installation timing depends on various factors including type, location, and complexity of the installation.

• Installation typically takes 4-8 hours for a standard split AC unit.

• Factors like ductwork, electrical setup, and refrigerant lines can extend time.

• For complex systems, such as multi-zone units, installation may take a full day or more.

• Weather conditions can also affect timing; extreme heat may slow down the process.

Proper installation and maintenance of air conditioning systems ensure efficiency and longevity.

• Choose the right size unit for the space to ensure optimal cooling.

• Install the unit level to prevent drainage issues.

• Regularly clean or replace air filters to maintain airflow.

• Check refrigerant levels and look for leaks to ensure efficiency.

• Schedule annual professional maintenance to inspect and service the system.