Learners examine the differences and similarities between hydraulic and pneumatic systems.
Transistor Fundamentals: Emitter-Biased NPN Transistor
By Patrick Hoppe
Students view a dc analysis of an emitter-biased NPN transistor.
Current in a Series Circuit
By Terry Bartelt
In this learning activity you'll determine what happens to current flow in a series circuit when the resistance is changed.
Thevenin Resistance: Practice Problems
Students work five practice problems to determine the Thevenin resistance of DC circuits.
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.
Comparing Analog and Digital Signals
Learners compare animations of analog and digital data signals. A short quiz completes the activity.
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.
The Hydraulic Pressure Switch
This animated lesson shows several ways that a hydraulic pressure switch, connected in a ladder circuit, causes the cylinder of a hydraulic circuit to perform various applications.
Designing a Cylinder Dwell Circuit
This animated lesson shows how a ladder circuit uses timer-on delays to cause an extrusion machine to operate.
Pressure Relief Valves
In this animated object, learners examine the operation of a hydraulic relief valve and its internal components. A brief quiz completes the activity.
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