Air Conditioning Quiz

What is one common problem with existing air conditioners?

• Low refrigerant charge

• Faulty installation

• Corrosion of wire and terminals

• Dirty filters and coils

What can happen if an air conditioner is undercharged with refrigerant?

• The air conditioner will cycle constantly

• The air conditioner will leak refrigerant

• The air conditioner will have low airflow

• The air conditioner will not work properly

What should be done if an air conditioner's compressor stops on a hot day?

• Reset the high-pressure limit switch

• Let the unit cool down for about five minutes

• All of the above

• Check any fuses or circuit breakers

What is the best solution for a refrigerant leak in an air conditioner?

• Add more refrigerant to the system

• Replace the entire air conditioning unit

• Fix the leak and charge the system with the correct amount of refrigerant

• Ignore the leak as long as the air conditioner is still working

What can cause the compressor and fan controls in an air conditioner to wear out?

• Corrosion of wire and terminals

• Frequent on and off cycling

• Improper installation of the air conditioner

• Low refrigerant charge

Where is the thermostat sensor located in a room air conditioner?

• On the outside of the air conditioner

• Inside the compressor's access panel

• Near the evaporative coil

• Behind the control panel

What should be checked when it's humid outside and a room air conditioner is not draining properly?

• The thermostat sensor

• The refrigerant charge

• The compressor's access panel

• The condensate drain

What can happen if filters and air conditioning coils become dirty?

• The air conditioner will cycle constantly

• The air conditioner will have low airflow

• The air conditioner will leak refrigerant

• The air conditioner will not work properly

What is a common problem with improper installation of a central air conditioner?

• Dirty filters and coils

• Leaky ducts and low airflow

• Corrosion of wire and terminals

• Low refrigerant charge

What should be done if the sensor in a room air conditioner is knocked out of position?

• Replace the entire air conditioning unit

• Adjust its position by bending the wire that holds it in place

• Reset the high-pressure limit switch

• Add more refrigerant to the system