Learners review surface finish basics and read how to calculate the roughness average.
By Terry Bartelt
Learners observe how an optical pyrometer is used to take temperature measurements without making physical contact with the object being measured.
Designing a Ladder Diagram
By Terry Bartelt, Terry Fleischman
In this animated object, learners examine the design of a ladder circuit that provides manual control to a water pumping system. Students also study modifications to the circuit as the complexity of the system increases.
Pick Your Partners
By Dave Bunnow
In this scenario for working in teams, the learner reads profiles of six company employees and then chooses three people to work on a team on which the learner will also serve. The learner writes a justification of his/her decisions.
By Patrick Hoppe
Learners examine the concept of propagation delay within a TTL logic gate. The concept is explained with the use of timing diagrams and sample calculations.
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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