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In this animated object, learners examine why and when the Kelvin scale is used. A brief quiz completes the activity.
The Three-Phase AC Generator
By Terry Fleischman
In this 3D animated object, learners examine the way in which a three-phase generator produces three sine waves with three armature coils. A quiz completes the activity.
Parallel RC Circuit Practice Problems
By James Bourassa, John Rosz
In this interactive object, students calculate capacitive reactance, impedance, current, and power in parallel RC circuits.
Conductive Probe Sensors
By Terry Bartelt
In this animated object, learners study how conductive probe sensors are used to measure conductive liquid in a container.
Ohmmeter Measurement Connections
Learners read a step-by-step approach on how to connect an ohmmeter when making measurements in this interactive lesson.
Brakes: Measuring Brake Drums
By Ken Kempfer, Dan Claus, John Hadjikyriacos, Kevin Guthrie
Learners examine the proper way to set up standard and metric micrometers to measure the wear on a brake drum.
Learners examine the electronic components of a digital thermometer.
How Pressure Changes Boiling Temperature
By Terry Bartelt, Terry Fleischman
Learners study the effect that pressure has on boiling temperatures. Once a liquid has reached a full boil, additional heat does not raise the liquid’s temperature; however, pressure can vary the boiling point of a liquid. A brief quiz completes the activity.
In this animated object, learners observe the operation of a J thermocouple with a cold junction. A table is used to convert the voltage it produces to a corresponding temperature. A brief quiz completes the activity.
Resistance Temperature Detector (RTD)
Learners study animations to see the connection between temperature and resistance as they examine the operation of an RTD. A table is used to convert resistance readings to the corresponding temperatures. A brief quiz completes the activity.
Cooling System Troubleshooting
Have some fun, test your troubleshooting skills on cooling systems.
Heat Transfer Baseball
Review types of heat transfer
Challenge your knowledge of HVAC systems and have a good time !
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