Exam 6: Structural Shapes

Sizes listed for many structural shapes are only ____________________ sizes.

The ____________________ specification is given in pounds per linear foot.

Plate thickness is given as a common fraction of an inch.

When specifying certain pipe sizes, schedule numbers may be used in place of standard, extra strong, or double extra strong designations.

There are two basic types of tubing: ____.

Nominal sizes for the three basic types of pipes are determined by the ____________________ diameter except when the diameter exceeds 12 inches.

The most commonly used gage is the ____.

____ varieties of steel are slightly oversize and have slightly rounded corners.

Sheet thickness may be given as a fraction of an inch (usually as a decimal fraction) or as a ____ number.

Nominal sizes are an actual size.

There are four basic types of pipes.

Miscellaneous beams are identified by the letter "____."

____ steels are fairly precise in size and have square corners.

The partial circles or holes in back of the openings of a standard sheet metal gage are ____.

Wide-flange beams are identified by the letter "____."

Sheet metal is 3/16" or ____________________(less/more) in thickness.

There are only a few types and styles of structural metal shapes used in the welding industry.

The openings along the circumference of a standard sheet metal gage are used ____.

Bearing pile beams are identified by the letters "____________________."

Standard beams (or I-beams) are identified by the letter "____."