#### Lesson 1 – Shop Math and Measurement

##### Topics:

Fractions; Common fractions; Reducing common fractions; Improper fractions; Mixed numbers; Calculations involving common fractions; Shortcuts for working with common fractions; Decimal fractions; Calculations involving decimal fractions; Converting common fractions to decimal fractions; Converting decimal fractions to common fractions; Standard rules and tape measures; Reading a rule or tape measure; Using a calculator

##### Learning Objectives:

– Define and identify common fractions and decimal fractions.– Define the term equivalent fraction.

– Perform calculations using common fractions and decimal fractions.

– Convert between common fractions and decimal fractions.

– Read and perform measurements using a standard rule or tape measure.

– Explain the use of calculators in welding

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Lesson 2 – Introduction to Blueprints

##### Topics:

Purpose of blueprints; Types of blueprints; Making blueprints; Parts of a blueprint; Body; Title block; Bill of material; Revision block; Zoning; Security; Care and handling of blueprints

##### Learning Objectives:

– Explain the importance of information on blueprints.– Explain the differences between assembly drawings and detail drawings.

– Describe methods used to create and reproduce blueprints.

– Define and describe parts of a blueprint.

– Identify elements located within the title block of a detail drawing.

– List methods of care and security of blueprints.

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Lesson 3 – Lines and Views on Blueprints

##### Topics:

Lines used on a blueprint; Views on a blueprint; Perspective; Orthographic projections; Oblique projections; Isometric projections; Other views; Selecting views; Sketching

##### Learning Objectives:

– Identify the standard lines used on blueprints.– Explain the meaning and applications of standard lines on blueprints.

– Identify common views used on a blueprint.

– Name the advantages and disadvantages of various projection types.

– Explain the concept of visualization.

####

Lesson 4 – Welds and Weld Joints

##### Topics:

Basic weld joints; Butt joint; Lap joint; Tee joint; Corner joint; Edge joint; Weld types; Groove welds; Fillet welds; Plug and slot welds; Spot and seam welds; Stud welds; Surface welds; Backing welds; Welding positions and locations

##### Learning Objectives:

– Identify and describe the five basic weld joints.– Define the following terms: bead, stringer bead, weave bead, base metal, filler metal, root pass, hot pass, fill pass, cap, hardfacing.

– Identify and describe the basic weld types.

– Name the basic welding positions and give advantages of the flat position.

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Lesson 5 – Welding Symbols

##### Topics:

Structure of welding symbols; Reference line; Arrow; Weld symbol; Dimensions; Special symbols; Tail; Reading welding symbols

##### Learning Objectives:

– Identify which side of a structure a weld is to be made from.– Identify the kind of chamfer to be cut on a joint to be welded, and which part is to be chamfered.

– State the required dimensions of a weld.

– Identify the contour required on a finished weld.

– State how a weld contour is to be finished.

– Differentiate between welds that are to be made at the site of final assembly and welds that are to be made before the parts are shipped to the site.

####

Lesson 6 – Advanced Shop Math and Measurement

##### Topics:

Squares and square roots; Angles; Triangles; Circles; Linear measurement; Calipers; Slide calipers; Vernier calipers; Micrometer calipers; Angular measurement; Metric measurement

##### Learning Objectives:

– Explain the concepts of squares and square roots of numbers.– Define the following kinds of angles: zero degree, acute, straight, right, and obtuse.

– State the Pythagorean Theorem and explain its usefulness.

– Define the following terms related to circles: radius, diameter, arc, and circumference.

– Give the equations for finding a circle’s circumference and area if you know its radius.

– Explain the use of the following measuring tools: calipers, micrometers, and protractors.

– Demonstrate how to convert measurements from inches to millimeters and from millimeters to inches.