Basic Types of Lines Used in Engineering Drawings

By Kelly Curran, Glenn Sokolowski

In this highly interactive object, learners associate basic line types and terms with engineering drawing geometry. 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.

Ohm's Law Practice Problems #1

By Patrick Hoppe

Learners review Ohm's Law and then work 12 problems. In each of the problems, students are given two of the three variables (voltage, resistance, or current) and are asked to solve for the third.

Orthographic Projection #1

By Glenn Sokolowski

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.

Basic Types of Dimensioning Used in Engineering Drawings

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.

Brain Exercise: Visualization #1

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.

Current Divider Rule (CDR)

Students review the Current Divider Rule (CDR) and work practice problems.

Calculating Horsepower, RPM, and Torque

By James Bourassa, John Rosz

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

Power Law: The Relationship of Voltage, Current, and Watts

Learners examine three formulas than can be used to find dc power. Examples are given.

Resistor Color Code Practice

In this learning activity you'll build a resistor's color code based on the bands.

Converting Between Gray and Binary Codes

By Terry Bartelt

Learners follow steps to convert numbers from Gray code to binary code. They then view steps to change binary values to Gray code numbers.

Transfer Functions: The RC Low Pass Filter

Students read how the transfer function for a RC low pass filter is developed. The transfer function is used in Excel to graph the Vout. The circuit is also simulated in Electronic WorkBench and the resulting Bode plot is compared to the graph from Excel.

Series-Parallel Circuit Analysis: Practice Problems Circuit 1

In this interactive object, learners analyze a series-parallel DC circuit problem in a series of steps. Immediate feedback is provided.

The MOD 10 Counter

The technique for designing a MOD 10 counter is introduced. Asynchronous inputs of a JK flip-flop are used to clear the counter.

Transfer Functions: The RC High Pass Filter

Learners read how the transfer function for a RC high pass filter is developed. The transfer function is used in Excel to graph the Vout. The circuit is also simulated in Electronic WorkBench and the resulting Bode plot is compared to the graph from Excel.

The Zener Diode: Practice Problems

Students complete 10 practice problems. These deal with the determination of series current, zener current, and load current, and if the zener diode is operating in the breakdown region.

Thevenin Voltage: Practice Problems

Students work five practice problems to determine the Thevenin voltage of DC circuits.

Voltage Divider Rule (VDR)

By Terry Fleischman, Patrick Hoppe

Students review the Voltage Divider Rule and work practice problems.

Series Circuit Analysis Practice Problems Part 1

In this interactive object, learners solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated.

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.

Brain Exercise: Visualization #2

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

Comparing Hydraulics and Pneumatics

Learners examine the differences and similarities between hydraulic and pneumatic systems.

Phase Relationships Between Line-Neutral and Line-Line Voltages

By Michael Gradinjan, Terry Fleischman

Learners view a demonstration showing that line-neutral voltages and line-line voltages are not in-phase with each other, but have a definite 30-degree relationship.

Series-Parallel Resistance -- Practice Problems

In this learning activity you'll practice solving for the total resistance of series-parallel DC circuits.

Transistor Fundamentals: Voltage-Divider Biased NPN Transistor

Students view drawings of the dc analysis of a voltage-divider biased NPN transistor.