Thevenin Voltage: Practice Problems

By Patrick Hoppe

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

Designing a Ladder Diagram

By Terry Bartelt

In this animated object, learners examine the design of a ladder circuit that provides manual control to a water pumping system. Students also study modifications to the circuit as the complexity of the system increases.

The DC Shunt Motor

Learners examine the operation of a DC Shunt motor and its characteristics. A quiz completes the activity.

Shorts Affecting Current in a Series Circuit

In this learning activity you'll review how a short affects current flow and voltage in a series circuit.

Simple Pneumatic Circuits

Learners examine the operation of five pneumatic animated circuits that use directional control valves, pilot lines, check valves, needle valves, and cylinders.

Powers of Ten: The Proper Use of Symbols

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

Print Reading: An Alphabet of Lines in Print Reading

By Kelly Curran

In this animated activity, learners read about the types of lines found on blueprints. A quiz completes the activity.

Reading a Micrometer

By Sue Silverstein

In this learning activity you'll practice reading a micrometer.

AC Current Flow

In this interactive and animated object, learners examine the flow of electron current into and out of hot and neutral sockets during each alternation of an AC waveform. A brief quiz completes the activity.

Reaction Curve Tuning Example

Learners perform the steps required for the Ziegler-Nichols Reaction Curve Tuning Method. The process identification procedure is performed, calculations are made, and the proper PID values are programmed into the controller.

Pressure-Reducing Valve Application

By Terry Bartelt, Stephen Schneider

In this animated activity, a drill-and-clamp machine is used to show an application of a pressure-reducing valve. Recommendations on how to properly make pressure adjustments are also provided.

Sine Bar

By Barbara Anderegg

In this learning activity you'll examine how a sine bar is used to measure angles.

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.

Norton's Theorem

Learners follow the steps for reducing all of the elements of a complex circuit to a single current source and a single source resistance to create a simple circuit. Several examples are given for dc circuits. The conversion between Thevenin and Norton is also presented.

Signed Binary Numbers: 2's Complement

By John Casey, Terry Bartelt

Learners use this interactive and animated object to examine the use of binary numbers in a programmable logic controller. A brief quiz completes the activity.

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.

Cascading Counters

Learners observe how to cascade PLC counters to extend the maximum count of one counter.

Reading Vernier Height Gage Quiz

Students take a 13-question quiz to practice reading 25- and 50-division Vernier height gages.

Total Resistance of a Series Circuit

In this learning activity you'll review the process of solving for the total resistance in a series DC circuit.

Hydraulic Cylinder Speed

In this interactive and animated object, learners examine why the piston of a hydraulic cylinder extends slower than it retracts. A brief quiz completes the activity.

Abbreviations Representing Electrical Quantities

In this learning activity you'll identify abbreviations that represent quantities associated with electrical circuits.

Calculating Lengths for Tube Bending

By Dave Hoffman

The learner reads an explanation of how to determine lengths for tubing and pipe bending and then performs calculations in an interactive exercise. Two methods for determining angle bends are shown. A calculator is required.

Sine Bar Quiz

In this learning activity you'll calculate sine bar problems.

Selecting a Proper Single Phase Transformer

By Gary Lindell, Terry Bartelt

Students follow the steps that are required to select a transformer with the proper ratings. Voltage, frequency, current, and KVA are considered.

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.