Exam 23: Fabricating Techniques and Practices

____ will do a better job than cleats or dogs if the weldment's parts must be moved more than about 1/2 in.

​What tool can be used to draw a circle?

____ sizes are always given as the outside diameter.

____________________ is the process of assembling the parts to form a weldment.

A ____ line will make a long, straight line on metal and is best used on large jobs.

The placement of parts together in a manner that will minimize the waste created is called ____________________.

At the very basic level, ____ can be just placing two pieces of metal flat on a table and tack welding them together for practice welding.

_________________________ is the amount that a part can be bigger or smaller than it should be and still be acceptable.

Only ____ type(s) of metal(s) is/are usually used in most weldments.

No matter how large or complicated the welded structure, it is assembled ____ piece(s) at a time.

List the factors that affect the process of laying out a part.

​What is the process of laying out parts so that the least amount of scrap is produced?

​Which of the following would not be considered a preshaped part for an assembly?

List the advantages of using preformed parts.

____ have been specially designed for welding.Some of these clamps have a spatter cover over the screw, and others have their screws made of spatter-resistant materials such as copper alloys.

Holding the ____ slightly above the surface allows it to be struck repeatedly, making marks to form a line that is easily seen for cutting.

____ is usually 3/16 in.(4.8 mm) or thicker and measured in inches and fractions of inches.

​Research for welding in space dates back to the ____ with experiments done on board the U.S.Skylab.

The first step in almost every welding operation is the ____________________ of the parts to be joined by welding.

____ are pieces of metal that are temporarily attached to the weldment's parts to enable them to be forced into place.Anytime these pieces of metals are used, they must be removed and the area ground smooth.