Welding Knowledge Quiz

What is the most common cause of porosity in welds?

• Wrong filler metal

• Moisture or contaminants

• Excessive current

• High travel speed

What PPE protects the welder’s eyes from sparks and UV rays?

• Helmet

• Gloves

• Apron

• Boots

A 1G position means the pipe is:

• Flat and stationary

• Horizontal and rolled

• Vertical and fixed

• Overhead and rotated

Which of the following is a welding hazard?

• Overheating the base metal

• Inhalation of fumes

• Clean surface preparation

• Correct electrode angle

One advantage of welding is that it ______.

• Produces weak joints

• Requires expensive tools only

• Creates permanent joints

• Cannot be used on metals

Which welding position is most difficult for beginners?

• Flat

• Horizontal

• Vertical

• Overhead

What should be done to avoid electric shock?

• Use wet gloves

• Stand on dry insulation

• Weld barefoot

• Use damaged cables

What defect is caused by low current and poor cleaning?

• Undercut

• Slag inclusion

• Crack

• Spatter

The advantage of SMAW process is:

• Portable and flexible

• Only for large metals

• Hard to learn

• Costly

PPE stands for:

• Personal Protection Equipment

• Professional Protective Element

• Personal Protective Equipment

• Professional Protection Evaluation