Basic Symbols Used in Engineering Drawings

By Kelly Curran, Glenn Sokolowski

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.

Reaction Curve Tuning Example

By Terry Bartelt

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.

Brain Exercise: Visualization #2

By Glenn Sokolowski

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

The Superposition Theorem

By Patrick Hoppe

The superposition theorem is explained as it relates to dc circuit analysis. Examples are given.

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.

Manufacturing PPE Mini-Sim

By Excelsior College

This activity is a simulation that allows the learner to practice personal protective equipment tasks.

Three Phase Wye Transformer Calculations

By James Bourassa

In this interactive object, learners follow steps to find phase voltages in a partial three-phase power distribution circuit.

Three-Phase Delta Transformer Calculations

Using a memory shortcut for calculations, the learner determines line and phase values of current in a three-phase AC configuration. Practice problems complete the activity.

Transfer Functions: The RL Low Pass Filter

Learners 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.

The Spring-and-Diaphragm Actuator

Learners study an animation of a spring-and diaphragm actuator controlling the opening of a flow valve.

Total Impedance of a Parallel Circuit Using Complex Numbers

Students read how to determine the total impedance of a parallel circuit using complex numbers. The "J" term is used in the calculations.

PLC Shift Registers

By Terry Bartelt, Tom Yapp

In this animated activity, learners study how a PLC performs a shift operation. The learning object covers data movement, data entry, PLC wiring, PLC shift register introductions, and programming for a paint can operation.

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.

Concepts of Programming 4: Structure of Variable Declarations

By Jason Vosters

Understand the pseudocode structure of variable declarations

Schematic Diagram Symbols

In this learning activity you'll review various types of common components used in electronics and view their schematic diagram symbols.

Line Type Identification

By Jessie Lloyd

Reading a Micrometer

By Sue Silverstein

In this learning activity you'll practice reading an inch micrometer.

The Three-Phase AC Generator

By Terry Fleischman

In this 3D animated object, learners examine the way in which a three-phase generator produces three sine waves with three armature coils. A quiz completes the activity.

The Time Proportioning Operational Amplifier (Screencast)

In this animated object, learners see how a time proportioning operational amplifier varies an average DC voltage. A brief quiz completes the activity.

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.

Reading Vernier Height Gage Quiz

By Barbara Anderegg

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

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.

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.

The Transistor Symbol

In this animated and interactive object, learners use a memory device to identify NPN and PNP transistors. Learners also examine how much the transistors turn on when the voltage applied to the base is varied.

Abbreviations Representing Electrical Quantities

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