29110-15 Joint Fit-Up and Alignment

The V-shaped head attachment of a combination square can be used to _____.

• locate the center of shafts or other round objects

• layout 90-degree and 45-degree angles

• align plate joints

• measure blind hole depth

Although some fit-up tools are often field-fabricated, which of these tools should never be field-fabricated?

• wedges

• jack stands

• strongbacks

• clips

The gap plate of a plate alignment tool can be changed to match the specified

• root bar

• joint angle

• root opening

• joint thickness

When using a chain fall to lift or lower weldment parts, always secure the chain fall to an overhead structural member with an approved

• chain collector

• come-along

• lifting eye

• sling

Internal misalignment between two sections of pipe to be welded end-to-end is checked using a

• torpedo level

• combination square

• protractor

• Hi-Lo gauge

The tool that uses a bubble in a glass vial to check level and plumb is a

• level

• Hi-Lo gauge

• straightedge

• combination square

A simple welding sequence used to reduce or eliminate distortion is to make short welds

• on alternating sides of a joint

• on the ends of a joint

• on one side and long welds on the other side of a joint

• in the middle and long welds on the ends of a joint

Open-root joints should have a root opening of

• 1/32" to 1/16"

• 1/16" to 1/8"

• 1/8" to 1/4"

• 1/4" to 1/2"

An abundant amount of face reinforcement

• stabilizes the weld

• is mandated by welding codes

• reduces the strength of a weld

• is encouraged by codes but wastes weld material

Tools such as chain clamps, rim clamps, and strongbacks are used to properly align and fit weldments and

• must be removed immediately after welding ceases

• help prevent distortion

• ensure that no residual stress can develop

• can be used with any base metal, regardless of their composition