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.

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.

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.

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.

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.

Brain Exercise: Visualization #1

By Glenn Sokolowski

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.

Series-Parallel DC Circuits Analysis

By Patrick Hoppe

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

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.

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.

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.

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.

P&ID Tag Numbers

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

The Spring-and-Diaphragm Actuator

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

Ziegler-Nichols Continuous Cycling Tuning Method

In this animated and interactive object, learners follow steps to perform the process identification procedure for the Ziegler-Nichols Continuous Cycling Tuning Method. A short quiz completes the activity.

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.

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.

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.

The Superposition Theorem

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

Cascading Counters

Learners observe how to cascade PLC counters to extend the maximum count of one counter.

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.

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.

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.

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.

Reaction Curve Tuning Example

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.