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.

Designing a Ladder Diagram

In this animated object, learners examine the design of a ladder circuit that provides manual control to a water pumping system. Students also study modifications to the circuit as the complexity of the system increases.

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.

PID Control

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.

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.

Fundamentals of a DC Motor

Learners study the interaction between the conductors of the stator and the armature inside a DC motor, which causes the shaft to rotate. A short quiz completes the activity.

Quick-Return Mechanism Velocity Calculations

In this animated and interactive object, learners calculate the maximum velocity of the work stroke and the return stroke.

Gear Ratio Concepts

By James Bourassa

In this animated object, learners examine the concept of gear ratios. The number of teeth, diameters, and velocity relationships are discussed and calculated using linear ratio equations. 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.

The Induction Motor Slip

In this animated object, learners examine how the rotation of an induction AC motor's armature slips behind the synchronous rotational speed of the stator's field to create magnetic fields. These fields interact and produce torque. A quiz completes the activity.

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.

Reading a P&ID Loop

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

Calculating Belt Length

Learners follow steps to determine the proper starting belt length for a timing, flat, or v-belt drive.

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.

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.

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.

Work and Power

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

RPM of AC Motors

Learners study factors that affect the synchronous speed of an AC motor: the applied AC frequency and the number of stator poles.

Mechanical Advantage

Learners apply lever ratios to calculate the mechanical advantage in basic mechanisms.

Three Phase Wye Transformer Calculations

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

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.