## Technical Standards for Blueprint Reading

Language of the industry

Identify Prints

Identify how prints are produced

Care for prints properly

Identify the importance of prints

Reading a Steel Rule

Identify the importance of the steel rule

Read a fractional steel rule

Read a decimal steel rule

Read a metric steel rule

Applied Mathematics

Identify common fractions

Add, subtract, multiply and divide common fractions identify decimal fractions

Add, subtract, multiply and divide decimal fractions

Identify the metric system and metric numbers

Add subtract, multiply and divide metric numbers

Measurement Tools

Read a fractional-inch scale

Read a metric scale

Identify the parts of a micrometer

Read a decimal-inch micrometer

Read a metric micrometer

Alphabet of Lines

Identify the alphabet of lines

Identify where the various types of lines are used

Produce lines of various line weights

Produce the various types of lines

Basic Technical Sketching Lettering and Dimensioning

Identify the materials needed to freehand technical sketch

Properly sharpen a pencil

Properly hold a pencil for sketching

Sketch horizontal, vertical and inclined lines

Sketch arcs, circles and ellipses

identify aids used for freehand technical lettering

Read and produce Gothic-style technical lettering

Identify and follow guidelines for lettering

Produce letters with proper spacing

Identify types and proper placement of dimensions

Geometric Construction

Define terms related to geometric construction

Identify geometric shapes and geometric characteristics

Mutli View Drawings

Explain orthographic projection and multiview drawing

Select the best views to describe an object

Describe and object by reading a multiview drawing

Explain three visualization principles of orthographic multiview projection

Identify three dimensions of an object

List the three regular views

Identify three principal planes of projection

Identify the three types of flat surfaces Explain characteristics of cylindrical surfaces

Explain characteristics of fillets, rounds, runouts

Auxiliary Views

Identify the auxiliary view

Explain the benefits of auxiliary views

Section Views

Explain full sections Identify half sections

Explain offset sections

Identify aligned sections

Explain broken-out sections

Compare revolved sections and removed sections

Identify partial sections'

Identify outline sections

Explain conventional practices applied to section views

Dimensioning

Identify terms used with dimensions

Apply the choice and placement rules drafters use

Identify the various types of dimensions

Tolerancing

Identify terms related to tolerancing

Explain how tolerances are expressed on a drawing

Identify the metric system of indicating a tolerance by symbol

Identify Prints

Identify how prints are produced

Care for prints properly

Identify the importance of prints

Reading a Steel Rule

Identify the importance of the steel rule

Read a fractional steel rule

Read a decimal steel rule

Read a metric steel rule

Applied Mathematics

Identify common fractions

Add, subtract, multiply and divide common fractions identify decimal fractions

Add, subtract, multiply and divide decimal fractions

Identify the metric system and metric numbers

Add subtract, multiply and divide metric numbers

Measurement Tools

Read a fractional-inch scale

Read a metric scale

Identify the parts of a micrometer

Read a decimal-inch micrometer

Read a metric micrometer

Alphabet of Lines

Identify the alphabet of lines

Identify where the various types of lines are used

Produce lines of various line weights

Produce the various types of lines

Basic Technical Sketching Lettering and Dimensioning

Identify the materials needed to freehand technical sketch

Properly sharpen a pencil

Properly hold a pencil for sketching

Sketch horizontal, vertical and inclined lines

Sketch arcs, circles and ellipses

identify aids used for freehand technical lettering

Read and produce Gothic-style technical lettering

Identify and follow guidelines for lettering

Produce letters with proper spacing

Identify types and proper placement of dimensions

Geometric Construction

Define terms related to geometric construction

Identify geometric shapes and geometric characteristics

Mutli View Drawings

Explain orthographic projection and multiview drawing

Select the best views to describe an object

Describe and object by reading a multiview drawing

Explain three visualization principles of orthographic multiview projection

Identify three dimensions of an object

List the three regular views

Identify three principal planes of projection

Identify the three types of flat surfaces Explain characteristics of cylindrical surfaces

Explain characteristics of fillets, rounds, runouts

Auxiliary Views

Identify the auxiliary view

Explain the benefits of auxiliary views

Section Views

Explain full sections Identify half sections

Explain offset sections

Identify aligned sections

Explain broken-out sections

Compare revolved sections and removed sections

Identify partial sections'

Identify outline sections

Explain conventional practices applied to section views

Dimensioning

Identify terms used with dimensions

Apply the choice and placement rules drafters use

Identify the various types of dimensions

Tolerancing

Identify terms related to tolerancing

Explain how tolerances are expressed on a drawing

Identify the metric system of indicating a tolerance by symbol