Studies show that more than 75 percent of all hydraulic system failures are a direct result of unclean oil. In this interactive object, learners examine the three primary types of hydraulic system filters. A brief quiz completes the activity.
The learner views animation showing how a DC motor is wired and its operational characteristics. A short quiz completes the activity.
In this animated object, learners examine the circuit configuration and operation of a differentiator operational amplifier. A brief quiz completes the activity.
Students examine the full-wave rectifier. They review appropriate formulas and examples of actual circuits.
Learners examine the basic types of dimensioning including unidirectional and aligned systems, and linear, aligned, angled, arrowless, chain, datum, chart, tabular, radius, diameter, typical, and reference dimensions.
In this interactive object, learners answer 25 questions regarding part or assembly drawings. The basic areas of blueprint reading are covered.
Students complete 10 practice problems.
In this animated object, learners examine how the way in which a rheostat is connected in series with other resistors causes current and voltage to change as the resistance is varied. A brief quiz completes the activity.
In this animated object, learners examine the operation of a zener diode in the forward and reverse bias conditions. A quiz completes the activity.
Learners read about the similarities of electronic and hydraulic components and then match the schematic symbols in a drag-and-drop exercise.
In this interactive and animated object, learners examine why the piston of a hydraulic cylinder extends slower than it retracts. A brief quiz completes the activity.
Learners examine the operation of an inductive proximity sensor in this animated object. A brief quiz completes the activity.
Learners consider why an impedance matching transformer is needed to connect an antenna to a television.
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.
In this animated object, learners examine the relationship between pressure and temperature in an air conditioning system.
In this animated activity, students view a step-by-step approach of how to connect an ammeter to a circuit. A brief quiz concludes the lesson.
Learners are introduced to primary and secondary batteries. Examples are given.
Learners examine how air-to-open valves and air-to-close valves are used in different situations. A brief quiz completes the activity.
In this colorful and animated activity, learners study the operation of a needle valve and the operation of the needle valve with a check valve. A brief quiz completes the activity.
This interactive object is designed to help learners memorize schematic symbols used in hydraulic diagrams. Learners quiz themselves using electronic flashcards.
Learners view an animation of a counterbalance valve in operation and examine the valve’s internal structure.
In this animated object, learners examine the parts of a pneumatic power system, including the prime mover, compressor, and receiver tank, and how they function.
Students read how to calculate the size of a hydraulic cylinder that is required for a particular application. Mathematical formulas are provided.
Students view a dc analysis of an emitter-biased NPN transistor.
Students read about the characteristics of the ideal operational amplifier and compare them with the industry standard LM741C.