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Learning Object
Potentiometer Application
In this animated and interactive object, learners examine how a variable voltage is obtained from a variable resistor that is wired as a potentiometer across a fixed DC power supply.
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cc0002, pot, potentiometer, resistor, variable
Powers of Ten: The Proper Use of Symbols (Screencast)
Students read about the six common terms used to represent the powers of ten in the field of electronics and complete two matching exercises.
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ac, dc, electronics, powers, symbols, ten
Pressure Measurement Scales (Screencast)
Learners compare the three scales used in pressure measurements: gage, absolute, and vacuum. A brief quiz completes the activity.
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abolute, absolute, gage, measurement, measurements, pressure, scales, vacuum
Print Reading: Holder
2D and 3D views used to help convey information from a drafter or designer to the welder are provided. This activity will focus on a holder. A short quiz to test your ability to correctly read this information follows.
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Print Reading: Mounting Wedge
2D and 3D views used to help convey information from a drafter or designer to the welder are provided. This activity will focus on a mounting wedge. A short quiz to test your ability to correctly read this information follows.
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2D, 3D, interactive, orthographic projection, three dimension, two dimension
Print Reading: Slotted Block
2D and 3D views used to help convey information from a drafter or designer to the welder are provided. This activity will focus on a slotted block. A short quiz to test your ability to correctly read this information follows.
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Print Reading: Three-Step Block
2D and 3D views used to help convey information from a drafter or designer to the welder are provided. This activity will focus on a three-step block. A short quiz to test your ability to correctly read this information follows.
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Programming a PLC Timer
In this animated object, learners examine the types of information to enter, and the sequence of steps required, to program a programmable logic controller (PLC) timer.
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controller, controllers, logic, plc, plcs, programmable, programming, timer, timers
Quick-Return Mechanism Velocity Calculations
In this animated and interactive object, learners calculate the maximum velocity of the work stroke and the return stroke.
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bar, crank, engineering, four, jj0003, linkages, mechanical, mechanism, quick, return, slider, stroke, velocity, work
RC Time Constant
In this animated object, learners observe the voltage on a capacitor at various time constants when it either charges or discharges. Students then answer questions in the categories of Identify, Compare, and Compute.
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capacitor, capacitors, charge, charging, circuit, constant, constants, discharge, discharging, network, rc, series, time