CITB Test - Specialist (Services & Facilities) - Set 1

1. What type of energy source is most commonly used in HVAC systems?

2. What type of refrigerant is commonly used in domestic refrigerators today?

3. What is the purpose of a thermostat in an HVAC system?

4. Which of the following is used to remove moisture and contaminants from refrigerant?

5. Which of the following components is used to remove heat from a refrigeration system?

6. In HVAC systems, what does SEER stand for?

7. What color is typically used for the low-pressure side of HVAC gauges?

8. Which of the following gases is considered environmentally friendly and is used in modern HVAC systems?

9. What is the primary function of the evaporator in a refrigeration cycle?

10. What tool is used to evacuate air and moisture from a refrigeration system?

11. Which component in an HVAC system is responsible for circulating air through the ductwork?

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

13. Which component increases the pressure and temperature of the refrigerant vapor?

14. What is the purpose of insulation on refrigerant lines?

15. What should be done before performing maintenance on an HVAC system?

16. What does HVACR stand for?

17. What happens if an air filter is clogged in an HVAC system?

18. What is the function of an expansion valve in a refrigeration system?

19. Which of the following is a sign of low refrigerant in an air conditioning system?

20. Which tool is used to measure refrigerant pressure in an HVAC system?