Air conditioning
  • 1. What does HVAC stand for?
A) High Velocity Air Conditioning
B) Heating, Ventilation, and Air Conditioning
C) Home Ventilation and Air Conditioning
D) Heat Ventilation and Air Cleaning
  • 2. Which part of an air conditioning system is responsible for removing humidity from the air?
A) Evaporator
B) Expansion Valve
C) Condenser
D) Compressor
  • 3. What does SEER stand for in relation to air conditioning systems?
A) System Energy Efficiency Regulator
B) Seasonal Energy Efficiency Ratio
C) Seasonal Efficiency Enhancement Rating
D) System Efficiency Energy Rating
  • 4. Which component of an air conditioning system is responsible for regulating the flow of refrigerant?
A) Evaporator
B) Condenser
C) Compressor
D) Expansion Valve
  • 5. Which type of air conditioning system is typically used in residential homes?
A) Packaged Unit
B) Chilled Water System
C) Split System
D) Variable Refrigerant Flow System
  • 6. What does BTU stand for in reference to air conditioners?
A) Better Temperature Utility
B) Basic Temperature Unit
C) British Thermal Unit
D) Building Thermal Unit
  • 7. Which part of an air conditioning system is responsible for pressurizing the refrigerant?
A) Expansion Valve
B) Evaporator
C) Condenser
D) Compressor
  • 8. What does EER stand for when referring to air conditioner efficiency?
A) Effective Energy Rating
B) Energy Efficiency Ratio
C) Energy Efficiency Regulator
D) Efficiency Enhancement Rating
  • 9. What is the role of the evaporator coil in an air conditioning system?
A) To absorb heat from the indoor air
B) To filter the air
C) To pressurize the refrigerant
D) To release heat to the outdoors
  • 10. Which refrigerant is commonly used in automotive air conditioning systems?
A) R-22
B) R-123
C) R-410A
D) R-134a
  • 11. In an air conditioning system, where is the refrigerant in a liquid state?
A) Expansion Valve
B) Condenser
C) Compressor
D) Evaporator
  • 12. What is the purpose of the fins on the condenser and evaporator coils in an air conditioning system?
A) To increase heat transfer
B) To reduce noise
C) To protect the coils
D) To regulate airflow
  • 13. How does an air conditioning system dehumidify the air?
A) By releasing hot air outside
B) By cooling the air instantly
C) By pressurizing the refrigerant
D) By removing moisture as the air passes through the system
  • 14. What type of refrigerant is commonly used in modern air conditioning systems?
A) R-22
B) Ammonia
C) R-134a
D) R-410A
  • 15. How often should air conditioner filters be replaced?
A) Every week
B) Twice a year
C) Once a year
D) Every 1-3 months
  • 16. What does the term 'tonnage' refer to in air conditioning systems?
A) Number of vents
B) Energy efficiency
C) Physical weight of the unit
D) Cooling capacity
  • 17. In which season should air conditioning systems be serviced for optimal performance?
A) Fall
B) Spring
C) Summer
D) Winter
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