Learners review surface finish basics and read how to calculate the roughness average.
By Terry Bartelt
Learners study the theory of operation for a ratio pyrometer that measures temperature. A short quiz completes the activity.
Carbide Tool Geometry
By Kelly Curran
The learner will use the ANSI Insert Identification System to identify and select carbide tools.
Phase-Splitting of Single-Phase Motors
By Terry Bartelt, Terry Fleischman
The learner will understand the two methods used to create a phase shift in current between two windings.
Print Reading: Mounting Wedge
Learners test their ability to visualize a mounting wedge in this interactive exercise that features animated pictorial views.
GD&T: Geometric Characteristic Symbols
By Glenn Sokolowski
In this interactive object, learners test their knowledge of 14 geometric tolerance control symbols.
Analyze a Part Drawing
In this interactive object, learners answer 25 questions regarding part or assembly drawings. The basic areas of blueprint reading are covered.
Reading Vernier Height Gage Quiz
By Barbara Anderegg
Students take a 13-question quiz to practice reading 25- and 50-division Vernier height gages.
AC Voltage Conversion Problems
By John Rosz, Terry Bartelt
Learners work problems to make conversions between RMS, average, peak, and peak-to-peak AC voltages.
AC Voltage Conversions
In this animated object, learners examine the formulas used to convert peak, RMS, average, and peak-to-peak AC voltages. A brief quiz completes the activity.
Basic plate tectonics
About plate tectonics
Surface Area of a Frustum of a Cone
You'll practice calculating the surface area of a frustum of a right circular cone.
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