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

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

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

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

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

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

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

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

8. What does a pipe reducer do?

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

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

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

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

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

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

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

16. What is the purpose of a pipe union?

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

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

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

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