Up/Down-Counter Application
By Terry Bartelt
In this animated object, learners examine how PLC up/down-counters are used to control an automated parking lot gate.
Proportional Control Amplifier
Learners examine the operation of a proportional control amplifier and the two ways that it is programmed using proportional gain or proportional band. A brief quiz completes the activity.
Sequencer Output Instruction for the SLC-500 PLC
By Craig Hemken
Learners examine the fundamental concepts of sequencer output instruction. A simulated example shows a sequencer in operation.
Sine Wave Fundamentals
By Patrick Hoppe
Learners examine the characteristics of a sine wave and the various ways to describe it including Vp, Vp-p, Vrms, Vavg, and frequency.
Electrical Units, Abbreviations, and Symbols
In this learning activity you'll read introduction to electrical quantities, units, and symbols and test their knowledge in a matching exercise.
Project Sheet: Radial Drill Manifold
By Kelly Curran
This project gives a drawing with steps to complete the activity.
Rigging & Lifting Safety
This content module will review rigging and lifting techniques and equipment.
Lathe Project: Crank Handle
Darex Drill Grinder
In this document you'll review the Darex Drill Grinder.
GTAW Equipment ID
By Jessie Lloyd
Identify and learn more about the parts of a welding torch, cables, and a welding machine.
Sine Wave Fundamentals: Practice Problem #5
In this interactive object, learners determine the Vp, Vp-p, Vrms, Vavg, and the frequency of a sine wave that is displayed on an oscilloscope screen.
Pulse Train Fundamentals: Practice Problem #5
In this interactive object, learners determine the pulse width, period, duty cycle, and frequency of a waveform.
The Mathematical Expression of an AC Sine Wave As a Function of Time: Practice Problems
Students view the mathematical expression of a sinusoidal waveform with respect to time (t) and solve five problems. The answers are provided so students may check their work.
Gear Nomenclature (Screencast)
By James Bourassa
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.
GD&T: Geometric Characteristic Symbols
By Glenn Sokolowski
In this interactive object, learners test their knowledge of 14 geometric tolerance control symbols.
Surface Finish Quiz
By Barbara Anderegg
Students take a quiz to test their knowledge of surface finish.
Project Sheet - Thread Size Identification
This lesson provides a drawing with steps to complete the activity.
Review: Drill Press Advanced Cutting Tools and Operations
This review tests the student's knowledge of advanced cutting tools and operations on a drill press.
DC/AC I: Unit 4 Sample Exam
In this interactive object, learners answer nine questions about series and parallel circuits. Immediate feedback is provided.
Lathe Project: O. D. Threading
The Feed-Forward Control System
In this animated object, learners examine the operation of a feed-forward control system and its advantages over a closed-loop system. A brief quiz completes the activity.
Series-Parallel Circuit Analysis Practice Problems: Circuit 8
Learners examine a series-parallel circuit and solve 14 problems related to voltage, current, and power. A help screen is provided.
Saw - Vertical - Marvel - Operator's Panel
By Dave Hoffman
In this learning activity you'll explore the control panel of a Marvel 460A-PC vertical band saw and learn how to make a simple cut.
Lathe Project: Grinding a Grooving Tool
Lathe Project: Setting Speeds & Feeds