Orthographic Projection #1
By Glenn Sokolowski
In this interactive and animated object, learners examine orthographic projection and the Glass Box Theory. Front, side, and top view development is demonstrated with pictorial views of each object to help develop 2D to 3D visualization skills.
Acceleration and Deceleration Adjustments
By Terry Bartelt
In this animated activity, learners examine the circuitry in a DC variable speed drive that causes the motor to accelerate or decelerate at slow rates. This learning object has audio content.
The Current Limiting Circuit
Learners examine the circuitry in a DC variable speed drive that protects the rectifier diodes and motor windings from being damaged due to excessive current.
High-Low Speed Drive Adjustments
Learners examine the circuitry in a DC variable speed drive that prevents the motor from running at 0 rpm or at maximum speed under certain conditions.
The IR Comp Network
In this animated activity, learners examine the circuitry in a DC variable speed drive that keeps the motor running at a constant speed as the load varies.
The Firing Circuit of a DC Drive
In this animated activity, learners examine the firing circuits in a DC variable speed drive. The circuits cause the current flow through the armature and rpm to vary. This activity has audio content.
Motor Speed Control
Learners examine the speed control circuits in a DC variable speed drive that cause the RPM of a motor to vary. This activity has audio content.
Series-Parallel Circuit Analysis Practice Problems: Circuit 3
By Patrick Hoppe
In this interactive object, learners solve a series-parallel DC circuit analysis problem. Immediate step-by-step feedback is given.
Series-Parallel Practice Problems Circuit 4
In this interactive object, learners work 12 problems dealing with dc circuit analysis.
Voltage Drops in a Series Circuit
Students study the concept that the voltage drop across a series circuit resistor is proportional to its resistance. They then complete a brief quiz.
Series RLC Circuit Tic-Tac-Toe 1
By playing a game of tic-tac-toe, a student can review what happens to currents and voltages throughout a series RLC circuit when the applied frequency is increased from 0 Hz towards resonance.
Resistor Color Code Description
In this interactive activity, students read about the colored stripes on a resistor and interpret the placement of those colors to determine the value of four-band resistors.
The Hydraulic Pressure Switch
This animated lesson shows several ways that a hydraulic pressure switch, connected in a ladder circuit, causes the cylinder of a hydraulic circuit to perform various applications.
Hydraulic Pressure Switch Applications
This animated lesson demonstrates hydraulic pressure switch applications when the switch is connected to a ladder circuit to operate in a hydraulic system.
Time-Delay Relays
This animated lesson shows the operation of timer-on and timer-off delay relays used in ladder circuit operate.
Humidity Measurements
Learners examine dew point and the two types of humidity values, absolute and relative, along with the types of instruments used to measure them. The activity includes a video clip and a quiz.
Quick-Return Mechanism Velocity Calculations
By James Bourassa, John Rosz
In this animated and interactive object, learners calculate the maximum velocity of the work stroke and the return stroke.
Mechanical Advantage (Screencast)
Learners apply lever ratios to calculate the mechanical advantage in basic mechanisms.
Industrial Control Classifications
In this animated object, learners examine automated manufacturing systems classified as motion control, batch process control, and continuous process control.
Inductive Reactance Practice Problems
Students solve problems on the determination of total inductive reactance of series-parallel inductors.
Capacitive Reactance Practice Problems
Students solve problems on the determination of total capacitive reactance of series-parallel capacitors.
RC Time Constant
By Tim Tewalt, Patrick Hoppe
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.
Series Inductance
In this learning activity you'll calculate the total inductance of a series circuit.
Inductors in Parallel
Learners examine the process for determining the total inductance of a parallel circuit. They then complete practice problems.
Energizing Time Constants of an RL Circuit
In this animated object, students view an explanation of how current, voltage, and the magnetic field strength of a series RL circuit change during five time constants. A brief quiz completes the activity.