The Mathematical Expression of an AC Sine Wave As a Function of Time: Practice Problems
By Patrick Hoppe
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.
GTAW Equipment ID
By Jessie Lloyd
Identify and learn more about the parts of a welding torch, cables, and a welding machine.
Darex Drill Grinder
By Kelly Curran
In this document you'll review the Darex Drill Grinder.
Lathe Project: Crank Handle
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.
Project Sheet: Radial Drill Manifold
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.
Sine Wave Fundamentals
Learners examine the characteristics of a sine wave and the various ways to describe it including Vp, Vp-p, Vrms, Vavg, and frequency.
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.
Proportional Control Amplifier
By Terry Bartelt
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.
Up/Down-Counter Application
In this animated object, learners examine how PLC up/down-counters are used to control an automated parking lot gate.