CITB Test - Specialist (Pipefitting & Welding) - Set 1

1. Which type of pipe is most commonly used for refrigerant lines in HVAC systems?

2. Which type of joint is most commonly used in copper pipe installations for HVAC systems?

3. In HVAC systems, a swaged joint is used to:

4. Which PPE is essential when performing welding or brazing in HVAC work?

5. Before welding or brazing, the refrigerant system should be:

6. What is the main safety concern when welding or brazing in an HVAC system?

7. What is the purpose of using nitrogen during brazing?

8. Which tool is used to cut copper tubing in HVAC systems?

9. Which welding method is commonly used for joining copper pipes in HVAC systems?

10. What is the minimum recommended overlap for a brazed joint on copper pipe?

11. What is the ideal flame type for brazing copper pipes?

12. What type of valve is typically used to isolate a section of an HVAC piping system?

13. When welding or brazing near flammable materials, what is a critical safety step?

14. hich gas is typically used with oxygen for brazing in HVAC applications?

15. Which tool is used to flare the end of a soft copper tube?

16. What does a pipe reducer do?

17. What is the purpose of a pipe union?

18. Which fitting is used to connect three pipes at a 90-degree angle?

19. What is the main purpose of pipe insulation in HVAC systems?

20. Which filler metal is commonly used for brazing copper in HVAC applications?