Welding and Pipe Terminology Quiz

What does 'Root pass' refer to in welding?

• Pass after the hot pass

• Last weld bead to finish the joint

• Uniform root with opening

• First most important pass

What is the 'Inside diameter'?

• Distance across outside of pipe

• Distance between inside of pipe wall to wall

• Wall thickness

• Forms the end of the pipe

Which term describes the last weld bead to finish and cap off all other passes?

• Hot pass

• Root pass

• Cover pass

• Filler pass

What is the 'Pipe schedule number' indicative of?

• Wall thickness

• Distance between inside of pipe wall to wall

• Uniform root with opening

• Distance across outside of pipe

What does 'Uphill welding' involve?

• Last weld bead to finish the joint

• First most important pass

• Weld from bottom of weld joint to top

• Weld from top of weld joint to bottom

What is the purpose of the 'filler pass' in welding?

• To clean the weld area

• To increase the weld's strength

• To add extra material to the joint

• To finish the weld surface smoothly

How does 'downhill welding' differ from 'uphill welding'?

• Weld from top of weld joint to bottom

• Weld from bottom of weld joint to top

• Uses different welding material

• Is only used in underwater welding

What does the 'hot pass' do in welding?

• Preheats the metal for further welding

• Cleans out impurities from the root pass

• Is the final layer of the weld

• Strengthens the initial weld pass

What is the primary purpose of the 'backing pass' in welding?

• To provide support to the root pass

• To clean the surface of the metal

• To increase the heat input

• To finish the weld surface

Which welding technique is preferred for thin metals?

• Uphill welding

• Downhill welding

• Hot pass welding

• Filler pass welding