State two reason a layout is necessary:

Why should a layout be as simple as possible?

What is the purpose of a layout solution?

Name four layout solutions and state one application of each?

State two methods of preparing the surface of a casting prior to laying out the workplace.

State five reasons granite surfaces are considered better than cast-iron ones.

List five precautions to be observed in the care of surface plates.

Why must the point of a scriber always be sharp?

For what purposes are dividers used when laying out a workpiece?

What is the purpose of a trammel?

How can a circle be laid out concentric with a hole?

List two uses for hermaphrodite calipers:

Name two types of squares used in layout work.

List four main parts of a combination set.

State three uses for the combination square.

What is the accuracy of the bevel protractor?

For what purpose is the center head used?

Name the three main parts of the surface gage.

What is the purpose of the two pins in the base of the surface gage?

How may the layout be made "permanent"?

What is the purpose a prick punch?

What is the purpose of a center punch?

To what angle is each punch ground?

List four layout accesories and state the purpose of each.

Name the common tools used to make basic or semi-precision layouts