HVAC Basics

What is the primary function of an HVAC system?

• To provide lighting to buildings

• To manage indoor air quality

• To provide internet connectivity

• To manage waste disposal

Which of the following is NOT a type of HVAC system?

• Centralized

• Decentralized

• Packaged

• Solar-powered

What component of an HVAC system is responsible for heating the air?

• Condenser

• Evaporator

• Furnace

• Thermostat

Which of the following is a common refrigerant used in HVAC systems?

• Water

• R-22

• Oxygen

• Nitrogen

What does SEER stand for in terms of HVAC energy efficiency?

• Seasonal Energy Efficiency Ratio

• Systemic Energy Efficiency Rating

• Solar Energy Emission Rate

• Seasonal Electricity Efficiency Ratio

Which maintenance practice helps to ensure the efficiency of an HVAC system?

• Replacing the system annually

• Keeping the outdoor unit in direct sunlight

• Regularly changing or cleaning air filters

• Closing all vents to increase pressure

In HVAC system design, what is the purpose of a load calculation?

• To determine the electrical load the system will use

• To calculate the amount of air the system can filter per minute

• To determine the heating and cooling requirements of the building

• To calculate the system's impact on the local power grid

Which HVAC system is typically used for small residential or office buildings?

• Centralized

• Decentralized

• Packaged

• Hybrid

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

• To heat the air

• To compress refrigerant and move it through the system

• To filter the air

• To distribute the air through the building

Which of the following is a benefit of regular HVAC maintenance?

• Increased energy consumption

• Shorter system lifespan

• Improved system efficiency and reliability

• Higher repair costs