HVAC Leak and Recharge Quiz

What is the primary purpose of an HVAC system?

• To provide lighting

• To control indoor climate

• To supply water

• To generate electricity

Which of the following is a common method for detecting leaks in an HVAC system?

• Visual inspection

• Ultrasonic testing

• Pressure testing

• All of the above

What is the first step in the refrigerant recharge procedure?

• Evacuating the system

• Identifying the type of refrigerant

• Adding refrigerant

• Checking for leaks

Which component of an HVAC system is primarily responsible for cooling the air?

• Compressor

• Condenser

• Evaporator

• Thermostat

What is a common symptom of a refrigerant leak in an HVAC system?

• Increased energy bills

• Unusual noises

• Ice formation on coils

• All of the above

Why is it important to perform preventive maintenance on an HVAC system?

• To increase system efficiency

• To extend the lifespan of the system

• To prevent unexpected breakdowns

• All of the above

Which tool is commonly used to measure the pressure of refrigerant in an HVAC system?

• Thermometer

• Manifold gauge set

• Multimeter

• Hygrometer

What is the role of the compressor in an HVAC system?

• To cool the air

• To compress refrigerant gas

• To filter the air

• To regulate temperature

Which of the following is a preventive maintenance task for HVAC systems?

• Replacing air filters

• Cleaning condenser coils

• Checking refrigerant levels

• All of the above

What is the purpose of using a vacuum pump during the refrigerant recharge process?

• To add refrigerant

• To remove air and moisture

• To increase pressure

• To cool the system