Hydraulic Shear - Part Identification
By Dave Hoffman
The student is shown and then identifies the parts of a hydraulic shear.
The LVDT DC Conversion Circuit
By Terry Bartelt
Learners study how a circuit converts the AC output of a linear voltage differential transformer (LVDT) into variable DC voltage. It is recommended that learners view the learning object IAU7807, “The LVDT: A Linear Voltage Differential Transformer in Action” before going through this object.
Lathe Project: Straight Diameters - Screw Jack Screw
By Kelly Curran
This project gives a drawing with steps to complete the activity.
Oscilloscope: DC Voltage Measurements
Learners follow step-by-step instructions for using an oscilloscope to measure DC voltages.
Impedance: Series to Parallel Conversion
By Patrick Hoppe
Students view the formulas to be used to convert a series impedance to a parallel impedance.
Four-Wire Sensors
In this animated object, learners examine the signals produced at the N.O. (normally open) and N.C. (normally closed) outputs of sourcing and sinking four-wire sensors. A brief quiz completes the activity.
Optical Comparator: Establishing a Reference Frame on the Starrett HB 400
By Barbara Anderegg
In this interactive learning object, learners read how to compensate for a part not mounted perfectly parallel to the machine axis.
The Bridge Rectifier
Learners see how a bridge rectifier converts an AC voltage into a pulsating DC voltage. A brief quiz completes the activity.
GD&T - The Feature Control Frame (Screencast)
By Glenn Sokolowski
In this screencast, Geometric Dimensioning & Tolerancing: The Feature Control Frame, learners examine geometric characteristic symbols, tolerances, datum feature symbols, and other control frame information.
Hydraulic Cylinder Speed (Screencast)
In this screencast, learners examine why the piston of a hydraulic cylinder extends slower than it retracts. A brief quiz completes the activity.
Op Amp Comparator (Screencast)
Students read an explanation of the operation of an operational amplifier that functions as a comparator.
Inductive Proximity Sensors (Screencast)
Learners examine the operation of an inductive proximity sensor in this animated object. A brief quiz completes the activity.
Lathe Maintenance
This document gives an overview of lathe maintenance.
Transformer Practice Problems
Students solve practice problems on voltage, current, and impedance matching. Examples precede the problems.
The Groove Weld Bend Test
By Jessie Jelinski
Power Law Practice Problems #4
Learners review the three formulas for power and work 12 problems. In each of the problems, students are given two of the three variables (voltage, resistance, or current) and asked to solve for power. Immediate feedback is provided.
Parallel Resistance Practice Problems
Students work practice problems in which the total resistance of the circuit is calculated. Feedback is provided.
Safety - Tubing Bender
In this learning activity you'll review safety considerations for using a tubing/pipe bender.
Incremental Encoder Quadrature Modes
Learners study the method of using more than one track and quadrature modes to improve the resolution of an optical encoder. A brief quiz completes the activity.
Lathe Project: Grinding a Threading Tool
Voltage Measurements of a Half-Wave Rectifier
In this animated lesson, students view how an oscilloscope and a DC voltmeter measure the voltage of a half-wave rectifier.
The Transfer Function and Frequency Response of a Low Pass Filter
Students learn how to predict how circuits will respond to varying frequency. They solve for the magnitude and phase angles.
Instantaneous Voltage Calculations of a Discharging RC Circuit (Using a TI-35X or a TI-36X Calculator)
In this animated object, learners view the keystrokes on a TI-35X/36X calculator that are required to solve for the instantaneous voltage of a discharging RC circuit.
Hall-Effect Sensor Application
Learners view practical examples of how a Hall-effect sensor is used.
Silicon Diode Basics
This primer introduces the student to the key terms and concepts associated with the silicon diode.