Learners study the theory of operation for a ratio pyrometer that measures temperature. A short quiz completes the activity.
In this animated object, learners examine the ratio control method used in automation when two or more ingredients are mixed. A brief quiz completes the activity.
In this screencast, learners examine the concept of gear ratios. The number of teeth, diameters, and velocity relationships are discussed and calculated using linear ratio equations.
Students read descriptions of the voltage, current, and turns ratios of the primary and secondary coils for a transformer in this interactive lesson.
Learners view an animated explanation of why an adjustment of the output voltage by an AC drive is required to maintain a constant torque as the frequency is varied.
In this animated object, learners examine formulas for displacement and velocity ratios. They also view examples and calculate velocity and the velocity ratio.
In this animated and interactive object, learners examine why the voltage produced by an AC drive must be increased when its frequency is increased due to inductive reactance.
Learners apply lever ratios to calculate the mechanical advantage in basic mechanisms.
Learners read an analogy comparing an electrical transformer to mechanical gears.
Students read about the characteristics of the ideal operational amplifier and compare them with the industry standard LM741C.
Learners follow steps to calibrate a transmitter used in process control applications. A brief quiz completes the activity.
Students examine the procedure to measure current with an analog ammeter. The use of Function and Range switches is explored along with reading the needle position on the meter scale. A brief quiz completes the activity.
Learners examine the impedance matching capability of a transformer and how to select the proper turns ratio to achieve this function. A brief quiz completes the activity.
This learning object describes the production of an alternating current in a generator with a single-loop armature. An illustration of how a sine wave is produced is shown through animation.
Learners view the operation of an NPN transistor in the active region.
In this learning activity you'll examine the software operation Dynamic Host Configuration Protocol (DHCP), which automatically performs TCP/IP configurations.
In this animated object, learners examine how two- three- and four-wire sourcing and sinking sensors operate. A brief quiz completes the activity.
Learners examine an animation that shows how an AC voltage is produced as an armature rotates within a magnetic field. Ten review questions complete the learning object.
In this animated object, learners see how a time proportioning operational amplifier varies an average DC voltage. A brief quiz completes the activity.
In this video, you’ll explore the engine lathe, its basic components, and you’ll learn to operate its machine controls.