Basic Types of Dimensioning Used in Engineering Drawings

By Kelly Curran, Glenn Sokolowski

Learners examine the basic types of dimensioning including unidirectional and aligned systems, and linear, aligned, angled, arrowless, chain, datum, chart, tabular, radius, diameter, typical, and reference dimensions.

Basic Types of Lines Used in Engineering Drawings

In this highly interactive object, learners associate basic line types and terms with engineering drawing geometry. A quiz completes the activity.

Work and Power (Screencast)

By James Bourassa, John Rosz

Learners examine the formulas for calculating work in ft-lb units and power in ft-lb/min. units.

Brain Exercise: Visualization #1

By Glenn Sokolowski

In this interactive object, learners practice their 3D visualization skills by identifying the correct isometric view of an object. Front, side, and top orthographic views are shown.

Identifying Lever Classes

By James Bourassa

In this interactive object, learners read an introduction to Class 1, Class 2, and Class 3 levers and then take a quiz.

Digital Terrain Model (DTM): Determining Contour Location

By Steve Whitmoyer

Learners read how to determine the location of a contour for a specific location given a TIN.

Weight - Volume Relationships: Water (Moisture) Content

This interactive learning object demonstrates how the moisture content is determined for a given sample of soil or aggregate.

Basic Elements of Dimensions Used in Engineering Drawings

In this interactive object, students explore the basic elements and common terms associated with dimensions and leaders. A quiz completes the activity.

Basic Symbols Used in Engineering Drawings

Learners examine the drawing symbols used for counterbore, countersink, spotface, radius, diameter, and depth. In the quiz that completes the activity, they associate these symbols with machining applications.

Brain Exercise: Visualization #2

In this interactive object, learners practice their 3D visualization skills by identifying the correct isometric view of an object.

Converting Rotational Velocity to Linear Velocity

In this animated object, students view an example of how to convert rotational velocity to linear velocity. They then work practice problems.

Analyze a Part Drawing

In this interactive object, learners answer 25 questions regarding part or assembly drawings. The basic areas of blueprint reading are covered.

Calculating Horsepower, RPM, and Torque

In this animated and interactive object, learners examine the formula for horsepower and work practice problems.

GD&T: Geometric Characteristic Symbols

In this interactive object, learners test their knowledge of 14 geometric tolerance control symbols.

Introduction to Class 3 Levers

In this interactive object, students view an animated depiction of Class 3 levers. A matching quiz completes the activity.

Gear Nomenclature (Screencast)

In this interactive object, learners view various components of gears and read descriptions of them. Learners then identify the location of each of these components in a drag-and-drop exercise.

Brain Exercise: Visualization #3

Learners develop 3D visualization skills by examining front, side, and top orthographic views of objects. Using this information, students select the corresponding isometric view of each object.

Powers of Ten: The Proper Use of Symbols

By Patrick Hoppe

Students read about the six common terms used to represent the powers of ten in the field of electronics and complete two matching exercises.

Statics - Trig: The Pythagorean Theorem Using a TI-36XCalculator

In this animated and interactive object, the learner uses a TI-36X calculator to solve for the magnitude of the resultant and of one of the component forces in a right triangle.

Gear Ratio Concepts (Screencast)

In this screencast, learners examine the concept of gear ratios. The number of teeth, diameters, and velocity relationships are discussed and calculated using linear ratio equations.

Lean/Six Sigma Culture

By Kaye Krueger

Learners read about the characteristics of a lean/six sigma culture.

Excel: Rectangular to Polar Conversion for Magnitude

Learners read how to convert complex numbers to their polar equivalent in Excel.

The TI-83 Plus Calculator: Complex Conjugate Conversion

Learners view the steps to find the complex conjugate of a number using the TI-83 Plus calculator. They are encouraged to work the examples given.

Excel: Rectangular to Polar Conversion for the Phase Angle in Radians

The conversion from rectangular to polar mode phase angle in radians is demonstrated in Excel.

Orthographic Projection #1

In this interactive and animated object, learners examine orthographic projection and the Glass Box Theory. Front, side, and top view development is demonstrated with pictorial views of each object to help develop 2D to 3D visualization skills.