Learners examine the internal parts of a DC electrical motor and then text their knowledge in a drag-and-drop exercise.

In this learning object you'll review color photographs of a Brown & Sharpe Universal Cylindrical Grinder.

In this interactive and animated object, learners examine the operation of a semiconductor diode when it is forward and reverse biased. A brief quiz completes the activity.

The learner will understand the design of a planetary gear drive and its advantages and disadvantages.

The learner will identify the advantages and disadvantages of the four modes of GMAW transfer.

Students work practice problems to calculate the total resistance of a circuit. Feedback is provided.

In this animated activity, learners examine how cavitation occurs in a hydraulic pump. A video clip is included. Learners then test their knowledge in a brief quiz.

In this interactive object, learners examine how hydraulic oil is contaminated, the types of damage contamination can cause, and the methods used to clean the oil.

In this animated object, learners examine the operation of a pneumatic directional control valve using air pilot lines.

This project gives a drawing with steps to complete the activity.

In this animated object, learners examine how a coil of wire provides more resistance to AC current flow than an uncoiled wire. This learning object contains audio.

Learners read a description of the knob controls, pushbuttons and output terminals on the Wavetek Model 25 signal generator.

Learners examine the concept of the RC time constant. The instantaneous voltage across the capacitor is calculated.

Learners observe how an optical pyrometer is used to take temperature measurements without making physical contact with the object being measured.

In this animated object, learners examine formulas for displacement and velocity ratios. They also view examples and calculate velocity and the velocity ratio.

In this learning activity you'll discover how the Eagle Power Roller control panel operates.

Learners examine the conventional current flow at a PLC input module, along with the field devices connected to it. This interactive object includes quiz questions and feedback.

Learners consider the changes inside a series motor that could cause it to break apart if the load was disconnected. A quiz completes the activity.

In this animated lesson, learners examine the rectifier circuitry in a DC variable speed drive that supplies the voltages to the field coil and armature.

Learners examine dew point and the two types of humidity values, absolute and relative, along with the types of instruments used to measure them. The activity includes a video clip and a quiz.

Robotic welding is an increasingly popular tool used in industrial welding applications. Knowing how to program the robot is key. Explore how to improve your programming skills by using if-then-else, calls, unconditional jumps, and counters in this learning activity.

Learners answer six questions about transformers.

Students work five practice problems to determine the Thevenin resistance of DC circuits.

This learning activity describes the physical properties that affect the inductance, in henries, of an inductor.

Learners compare animations of analog and digital data signals. A short quiz completes the activity.