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Learners apply the principles associated with Boyle’s Law. A brief quiz completes the activity.
Direct-Operated, Pressure-Reducing Valves
By Terry Bartelt, Doyle Davis
In this animated activity, learners examine how an adjustable pressure-reducing valve can produce a pressure that is lower at its output than at its input.
By Terry Bartelt
Learners read about the concepts of true power, reactive power, and apparent power, and are introduced to the power factor formula. A short quiz completes the activity.
Work and Power
By James Bourassa, John Rosz
Learners examine the formulas for calculating work in ft-lb units and power in ft-lb/min. units. Practice problems are included.
Voltage Sources in Parallel
The effect of connecting voltage sources in parallel to increase amperage to a load is presented.
Ohm's Law Practice Problems #1
By Patrick Hoppe
Learners review Ohm's Law and then work 12 problems. In each of the problems, students are given two of the three variables (voltage, resistance, or current) and are asked to solve for the third.
Kirchhoff's Voltage Law
Students read a definition of Kirchhoff's Voltage Law and view examples of its use.
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.
Measuring Volume Using a Graduated Cylinder
By Jill Crowder
Learners view an explanation of how to read a graduated cylinder by measuring the lowest portion of the meniscus. A quiz completes the activity.
Kirchhoff's Voltage Law (KVL): Practice Problems
By Terry Fleischman, Patrick Hoppe
Learners review Kirchhoff's Voltage Law and work six practice problems. Feedback is given.
Challenge your knowledge of HVAC systems and have a good time !
Heat and Heat Transfer Part 2
Show everyone how much you know about heat and heat transfer by solving these 7 Terms!
Unit Conversion in the English Measurement System: Volume
You'll practice converting between units of measure for volume in the English Measurement System.
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