In this animated lesson, students view the operation of an electromechanical relay. A brief quiz concludes the activity.

In this interactive object, learners follow the steps required for the Ziegler-Nichols Continuous Cycling method. The process identification procedure is performed, calculations are made, and the proper PID values are programmed into the controller.

In this interactive object learners will sort veterinary urinary medications into categories.

Learners are shown questions to ask themselves before they speak. They evaluate three responses according to the criteria presented. This activity has audio content.

Learners read how to calculate the MOD number and how it is used.

Learners view an animation of a counterbalance valve in operation and examine the valve’s internal structure.

Learners study the operation of a ladder circuit in which coils on one rung control contacts in other rungs.

Learners read definitions of discrete, continuous, attribute and variable data and view examples of checklist, location and item check sheets.

In this screencast, learners examine the internal structure of an unloading valve. This learning object includes a video clip demonstrating the use of an unloading valve in a metal stamping application.

Explore The Study Cycle – an approach that research and experience shows is the best and most efficient way to study

In this interactive object, learners solve for total resistance and current, the current through each resistor, the voltage across each resistor, and the power dissipated by each resistor.

Learners examine a series-parallel circuit and solve 14 problems related to voltage, current, and power. A help screen is provided.

By playing a game of tic-tac-toe, a student can review what happens to currents and voltages throughout a series RLC circuit when the applied frequency is increased from 0 Hz towards resonance.

Learners review Ohm's Law and work 12 problems. In each of the problems, students are given two of the three variables (voltage, resistance, or current) and are asked to solve for the third.

Learners take a virtual tour of the wide web central impression press and read directions for the operation of each component. This object includes animation, video clips, and audio.

Learners analyze a base-biased npn transistor circuit. A "help" screen is available.

In this colorful and animated activity, learners study the operation of a needle valve and the operation of the needle valve with a check valve. A brief quiz completes the activity.

In this animated object, learners examine how hydraulic jump affects drain flow and pneumatic pressures in the drain system.

In this learning activity you'll examine how electronic converters convert between analog voltages and proportional digital signals.

Learners listen to an explanation of how to perform an inventory of a farm business. They then list their hard assets and human resources by completing worksheets that they save to their personal computers.

Introduces two methods of determining bend allowance; one is simple and is an approximate, the other is more precise. Interactive part has learner calculate bend allowance and blank size.

This learning activity describes the abilities of an inductor coil to oppose alternating current and to pass direct current.

Students view a dc analysis of an emitter-biased NPN transistor.

Learners view wire feed power sources ranging from 110-volt, single phase units to 460-volt, three-phase units. A description and photos of each are provided.

Learners view a sample of the keystrokes on a TI-36X calculator that are required to solve for the instantaneous current of an energizing RL circuit.