EFX Pipe Fitter Test

Section 1: General Pipefitting Knowledge

1. What does the schedule number of a pipe indicate?

2. What type of fitting is used to change the direction of a pipeline by 90 degrees?

3. What does "RFWN" stand for on an isometric drawing?

4. What tool is used to check if a pipe is level before installation?

Section 2: Pipe Materials & Connections

5. Which of the following pipe materials is commonly used for high-pressure steam lines?

6. A threaded connection uses which type of sealant to prevent leaks?

7. What device is installed between a control valve and the air supply header?

Section 3: Blueprint & Isometric Drawing Interpretation

8. On an isometric drawing, a "TOS" annotation refers to what?

9. What does a dashed line in an isometric drawing typically represent?

Section 4: Welding & Safety

10. Which type of weld is most commonly used to join pipes in high-pressure applications?

11. What is the proper tool used to ignite an oxy-fuel cutting torch?

12. Before welding a pipe, what process is used to remove contaminants from the weld area?

13. When lifting heavy pipe sections, what is the safest lifting method?