In this highly interactive object, learners associate basic line types and terms with engineering drawing geometry. A quiz completes the activity.
Oscilloscope Coupling Switch
By Terry Bartelt
Learners read a description of the function of the coupling switch on an oscilloscope and how its setting affects measurements of DC, AC, and combined voltages. A brief quiz completes the activity.
Spark Testing of Materials
By Thaddeus Hetzer
The learner sees photos of the spark patterns of various materials and their related properties.
Calculating Belt Velocity and Horsepower
By James Bourassa, John Rosz
In this interactive object, learners are given the RPM, the pulley diameter, and the force, and proceed to calculate belt velocity and horsepower.
Sine Wave Fundamentals: Practice Problem #6
By Patrick Hoppe
In this interactive object, learners determine the Vp, Vp-p, Vrms, Vavg, and the frequency of a sine wave that is displayed on an oscilloscope screen.
Voltmeter Circuit Connections
Students read a step-by-step approach on how to connect a voltmeter to a circuit when making a measurement.
Analog Ammeter Operation
Students examine the procedure to measure current with an analog ammeter. The use of Function and Range switches is explored along with reading the needle position on the meter scale. A brief quiz completes the activity.
Basic Symbols Used in Engineering Drawings
By Kelly Curran, Glenn Sokolowski
Learners examine the drawing symbols used for counterbore, countersink, spotface, radius, diameter, and depth. In the quiz that completes the activity, they associate these symbols with machining applications.
Basic Types of Dimensioning Used in Engineering Drawings
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.
GD&T: Geometric Characteristic Symbols
By Glenn Sokolowski
In this interactive object, learners test their knowledge of 14 geometric tolerance control symbols.
Cutting Speeds and RPM Calculations for Drill Press Operations
You'll practice calculating and selecting the proper cutting speeds for various drill press operations.
Grade 4: Unit 1 Grammar
Narnia 4th Grade Unit 1 grammar
Transformations on a Coordinate Plane.
Determine the different transformations.
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