Equivalent Gates/Ladder Logic Circuits
By Terry Bartelt, Terry Fleischman
Learners will identify ladder logic diagrams and the logic functions they perform.
Power Law: The Relationship of Voltage, Current, and Watts
By Patrick Hoppe
Learners examine three formulas than can be used to find dc power. Examples are given.
Conductive Probe Sensors
By Terry Bartelt
In this animated object, learners study how conductive probe sensors are used to measure conductive liquid in a container.
Title Block Tolerances
By Glenn Sokolowski
Learners examine the use of the tolerances displayed in a title block by calculating the minimum and maximum allowable size of a fabricated part. In a brief quiz, students determine whether a part is usable or should be scrapped.
Hydraulic Schematic Symbol Flashcards
By John Rosz
This interactive object is designed to help learners memorize schematic symbols used in hydraulic diagrams. Learners quiz themselves using electronic flashcards.
Wound-Rotor Motors
Learners study animation showing the operation of an AC wound-rotor motor with its external starting resistors. A short quiz completes the activity.
An Algorithm for Converting a Hexadecimal Number to a Decimal Number
By Kevin Ritzman
In this animated and interactive object, learners follow two methods for converting a hexadecimal number to a decimal number. They test their knowledge in exercises at the end of the learning object.
What Is Torque? (Screencast)
Learners read a description of torque and study the factors that cause its magnitude to change.
The Binary-Coded Decimal
By John Casey, Terry Bartelt
Learners are introduced to the binary-coded decimal, a common way of encoding decimal digits in computing and electronic systems. A brief quiz completes the activity.
DC/AC I: Unit 8 Sample Exam
Students answer five questions concerning magnetism.
Voltage Drops in a Series Circuit
Students study the concept that the voltage drop across a series circuit resistor is proportional to its resistance. They then complete a brief quiz.
Darex Model SP2000 Drill Sharpening Machine
By Mike Cattelino
Learners view step-by-step instructions for how to set up and sharpen a drill bit in the Darex drill grinder, model SP2000.
General Shop Safety - Safety Rules
By Kelly Curran
This document provides a list of shop safety rules.
Synchronous & Asynchronous Inputs on a JK Flip-Flop
Students examine the operation of synchronous and asynchronous inputs on a JK Flip-Flop.
Volts per Hertz Ratio in AC Drives
Learners view an animated explanation of why an adjustment of the output voltage by an AC drive is required to maintain a constant torque as the frequency is varied.
Op Amps 3: The Inverting Amplifier
By Todd Van De Hey
Describe the inverting op-amp configuration and calculate the circuit gain.
The Zener Diode 2
In this animated object, learners examine the operation of a zener diode in the forward and reverse bias conditions. A quiz completes the activity.
Oscilloscope AC Voltage Measurements
In this animated learning object, students view the operation of an oscilloscope that is used to measure AC voltages. A brief quiz completes the activity.
Charging Time Constants of an RC Circuit (Screencast)
In this animated object, students view an explanation of how current, voltage, and the charge on a capacitor of a series RC circuit change during five time constants. A short quiz completes the activity.
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.
SMAW Electrode Characteristics
By Jessie Jelinski
In this learning activity, you’ll explore the characteristics of common, carbon steel shielded metal arc welding electrodes, which fall under American Welding Society specification A5.1.
The Welder's Tool Bag
In this learning object, you’ll explore what tools should be a part of every welding tool bag.
Interpreting Engineering Drawings: Common Abbreviations
In this interactive object, learners read the common abbreviations used in engineering drawings and then test their knowledge in three short exercises.
Power Dissipation
Students look at the power dissipated by a single gate and by an IC. The concept of average current draw is introduced and examples are provided.
The 4-Input Truth Table
In this learning activity you'll practice using the 4-input truth table.