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

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

• level

• Hi-Lo gauge

• straightedge

• combination square

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

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

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

• root bar

• joint angle

• root opening

• joint thickness

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

• Wedges

• Jack stands

• Strongbacks

• Clips

When using a chain clamp to fit pipe, the required gap between the root faces can be maintained using a _____.

• length of angle iron

• come-along

• cage clamp

• spacer

Which type of fit-up tool is often used to fit flanges and where heavy-duty reforming of the pipe is required?

• Rim clamp

• Cage clamp

• Strongback

• Jewel clamp

The degree of distortion that happens during welding is directly related to the _____.

• surrounding air

• moisture in the air

• position of the weld

• stresses generated during welding

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