In this interactive object, learners test their knowledge of 14 geometric tolerance control symbols.
By Terry Bartelt, Stephen Schneider
Learners view an animation of a counterbalance valve in operation and examine the valve’s internal structure.
Impedance: Parallel to Series Conversion
By Patrick Hoppe
Students view the formulas to be used to convert a parallel impedance to a series impedance.
The Magnetic Circuit
By Terry Bartelt
Learners compare electromagnetic quantities with the voltage, current, and resistance quantities of an electrical circuit. A brief quiz completes the object.
Saw - Marvel - PCII - Programming a Job (Full CNC)
By Dave Hoffman
The student views step-by-step instructions for programming a "job" with the PCII on the Marvel vertical band saw.
By Lynette Teal
Learners examine the main characteristics of the four financial statements required in accounting: the income statement, the owner's equity statement, the balance sheet, and the statement of cash flow.
Mathematical Expression of an AC Sine Wave
Students view the mathematical expression of an AC waveform with respect to time (t) and read about the different components of this expression.
Phase Relationships Between Line-Neutral and Line-Line Voltages
By Michael Gradinjan, Terry Fleischman
Learners view a demonstration showing that line-neutral voltages and line-line voltages are not in-phase with each other, but have a definite 30-degree relationship.
Total Impedance for Series-Parallel Circuits Using Complex Numbers
Students follow the steps for finding the total impedance for a series-parallel circuit. Several examples are given.
Total Impedance for Series-Parallel Circuits Using Complex Numbers: Practice Problems
Students solve five problems to determine the total impedance of a series-parallel circuit. Immediate feedback is given.
IT: CompTIA A+ Review
This game helps you review for the CompTIA A+ test
GMAW: Fundamentals for Stainless Steel and Aluminum
Demonstrate your knowledge of fundamental skills in GMAW techniques.
Common Computer Hardware Acronyms 1
Test your knowledge of some common computer hardware acronyms.
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