Basic Types of Dimensioning Used in Engineering Drawings

By Kelly Curran, Glenn Sokolowski

Learners examine the basic types of dimensioning including unidirectional and aligned systems, and linear, aligned, angled, arrowless, chain, datum, chart, tabular, radius, diameter, typical, and reference dimensions.

Orthographic Projection #1

By Glenn Sokolowski

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.

The Time-of-Flight Flowmeter (Screencast)

By Terry Bartelt

Learners view animations showing how a time-of-flight flowmeter uses ultrasonic sound waves to measure the flow of a liquid.

Work and Power (Screencast)

By James Bourassa, John Rosz

Learners examine the formulas for calculating work in ft-lb units and power in ft-lb/min. units.

PID Control (Screencast)

Learners examine an animated motion-controlled robotic arm and observe the operation of a PID (Proportional-Integral-Derivative) control that makes movements quickly without overshooting or having a steady-state error. This activity has audio content.

Digital Terrain Model (DTM): Determining Contour Location

By Steve Whitmoyer

Learners read how to determine the location of a contour for a specific location given a TIN.

Hydraulic System Pressure

In this animated activity, learners observe how pressure values throughout a hydraulic system are developed based on pump pressure and the size of the load.

Series-Parallel DC Circuits Analysis

By Patrick Hoppe

Learners follow a methodical approach for the dc analysis of series-parallel circuits.

Current in a Series Circuit

In this learning activity you'll determine what happens to current flow in a series circuit when the resistance is changed.

Basic Elements of Dimensions Used in Engineering Drawings

In this interactive object, students explore the basic elements and common terms associated with dimensions and leaders. A quiz completes the activity.

The Superposition Theorem

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

The Spring-and-Diaphragm Actuator

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

The Triac

Learners study the fundamental operation of a triac, particularly how it is turned on and off. A brief quiz completes the activity.

Basic Symbols Used in Engineering Drawings

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.

P&ID Tag Numbers

Learners study the types of information letters and numbers placed inside general piping and instrumentation diagram symbols.

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.

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.

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.

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.

The Magnetron Ignition System

Learners read an explanation of how the Magnetron Ignition System uses a solid state switching component, a step-up transformer, and magnetism to provide a high voltage spark in a one-cylinder combustion engine.

Pneumatic Schematic Symbol Flashcards

This interactive object is designed to help learners memorize schematic symbols used in pneumatic diagrams. Learners quiz themselves using electronic flashcards.

Calculating DC Values of a Transistor Amplifier

In this animated activity, learners view the seven steps that are used to calculate voltage and current values throughout a common-emitter transistor amplifier.

Hydraulic Systems

In this animated activity, learners examine the three main segments of a hydraulic system: power supply, control, and output. A brief quiz completes the learning object.

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.

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.