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

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

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

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

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

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

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

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

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

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

10. What is the purpose of a pipe union?

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

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

13. What does a pipe reducer do?

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

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

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

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

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

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

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