Calculating Horsepower, RPM, and Torque

By James Bourassa, John Rosz

In this animated and interactive object, learners examine the formula for horsepower and work practice problems.

Converting Between Gray and Binary Codes

By Terry Bartelt

Learners follow steps to convert numbers from Gray code to binary code. They then view steps to change binary values to Gray code numbers.

Comparing Hydraulics and Pneumatics

Learners examine the differences and similarities between hydraulic and pneumatic systems.

P&ID General Instrument Symbols

Learners study the types of symbols used on a P&ID diagram to indicate instruments. A quiz completes the activity.

P&ID Tag Numbers

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

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.

Pressure Measurements in Inches of Water Column

Learners read how inches of water column is used as a unit of pressure measurement. Practical applications and a conversion formula to psi are included.

Normally Open vs. Normally Closed Pressure Control Valves

In this animated activity, learners examine the operation of normally open and normally closed valves used in hydraulics. A brief quiz completes the learning object.

Air-to-Open/Air-to-Close Valves

Learners examine how air-to-open valves and air-to-close valves are used in different situations. A brief quiz completes the activity.

Reading a P&ID Loop

Learners follow steps for reading a P&ID diagram of a closed-loop circuit.

Electrical Generator Basics

In this animated activity, learners examine how a voltage is induced into a conductor when the conductor cuts across magnetic flux lines. They also view the four factors that determine how much voltage is generated. A brief quiz completes the learning object.

The Multiplication of Force by a Hydraulic System

In this animated and interactive object, learners examine a depiction of how force is multiplied by a larger cylinder when pressure from a pump is applied to a smaller cylinder. A short quiz completes the activity.

Determining Hydraulic Cylinder Size

Students read how to calculate the size of a hydraulic cylinder that is required for a particular application. Mathematical formulas are provided.

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.

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.

Three Phase Wye Transformer Calculations

In this interactive object, learners follow steps to find phase voltages in a partial three-phase power distribution circuit.

The Frequency of an AC Generator

By Walter Hedges, Terry Bartelt

Learners study the factors that determine the frequency of an AC generator, such as the rotational speed of the armature or the number of stator poles.

Electrical Units, Abbreviations, and Symbols

By Patrick Hoppe

In this learning activity you'll read introduction to electrical quantities, units, and symbols and test their knowledge in a matching exercise.

Pneumatic Actuators

In this animated object, learners examine different types of pneumatic actuators, cylinders, and motors.

Hydraulic Directional Control Valves

In this animated activity, learners examine the operation of hydraulic directional control valves and the internal components that divert the fluid.

Overflow and Underflow for Signed Binary Numbers

By John Casey, Terry Bartelt, Terry Fleischman

Learners examine the occurrence of overflow and underflow conditions in a programmable logic controller. It is recommended that users view the learning object “Signed Binary Numbers” in advance of this object.

Up/Down-Counter Application

In this animated object, learners examine how PLC up/down-counters are used to control an automated parking lot gate.

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.

The Force of a Hydraulic Cylinder

In this interactive object, learners read how to determine the force created by a hydraulic cylinder during extension and retraction. A brief quiz completes the activity.

The Elementary AC Generator

Learners view animations showing the operation of the internal parts of an AC generator. A short quiz completes the activity.