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

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

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

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

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

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

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

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

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

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

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

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

12. What is the purpose of a pipe union?

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

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

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

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

17. What does a pipe reducer do?

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

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

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