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The Universal NAND Gate

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Students view schematics and truth tables that demonstrate how the AND, OR, and Hex Inverter functions are achieved through the use of only NAND gates.

Squaring a Part

By Erich Krowas

This video will guide you through the process of squaring a part on a milling machine.
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Cutting Fluids - Coolant Inspection Project

By Kelly Curran

This project sheet outlines the steps for coolant inspection and charging.
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Starting a GTAW Weld Pool with Filler

By Sue Silverstein, Dave Hoffman

Students view a video that shows the correct methods for starting a GTAW weld pool and adding filler. It focuses on the two problems that many students have – adding filler too soon and angling the torch so that the filler melts prematurely on the filler rod. Note: This activity is 3.6 mb.
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Lathe Cutting Speeds - RPM Calculations

By Kelly Curran

This document is a visual and text description of lathe cutting speeds and RPM calculations.
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Analog and Digital Converters

By Terry Bartelt

In this learning activity you'll examine how electronic converters convert between analog voltages and proportional digital signals.
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Total Impedance of a Series Circuit Using Complex Numbers: Practice Problems

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Students solve six problems for series impedance using complex numbers. Immediate feedback is given.

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Total Impedance of a Parallel Circuit Using Complex Numbers: Practice Problems

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Students work six practice problems to determine the total impedance of a parallel circuit.
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Total Impedance for Series-Parallel Circuits Using Complex Numbers: Practice Problems

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Students solve five problems to determine the total impedance of a series-parallel circuit. Immediate feedback is given.
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DC/AC I: Unit 8 Sample Exam

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Students answer five questions concerning magnetism.
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