Welder

Tell me about a repair job that was harder than it looked. How did you handle it?

What they are checking: Problem solving on repair work, which makes up much of this role.

You get verbal instructions that seem to conflict with the drawing. What do you do?

What they are checking: Clearing up conflicting instructions before cutting metal instead of guessing.

What welding processes have you used, like stick, MIG, TIG or gas, and which are you strongest in?

What they are checking: Range of hands-on welding skills, since the posting says different systems are used for different tasks.

Walk me through how you read a print or sketch before you start a weld.

What they are checking: Blueprint reading skills, which the posting lists as a key ability for this role.

How do you set up your welder for a new material or thickness?

What they are checking: Understanding of amperage, voltage, wire speed and gas choices for different metals and thicknesses.

What do you know about how heat affects metal, like warping or cracking?

What they are checking: Basic metallurgy knowledge, which the posting names as a requirement.

How do you weld pipe or plate in the vertical or overhead position?

What they are checking: Position welding skill, since the work includes flat, horizontal and vertical plates and pipes.

You finish a weld and see porosity. What caused it and what do you do?

What they are checking: Spotting weld defects and knowing their common causes, such as gas coverage or contamination.

How do you stay safe using torches and arc welders?

What they are checking: Safety habits with fire, fumes, eye protection and electrical hazards in a repair shop.

How do you make sure your welds meet the specification?

What they are checking: Maintaining welding specifications, which the posting lists as a core duty.