In this animated activity, learners examine how to change the gain of an optical sensor to overcome environmental conditions and distance.

The learner identifies ways to eliminate or minimize wastes found in business processes. A quiz completes the activity.

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.

Learners examine the ways in which a motor starter circuit is protected by a main circuit breaker and overload heaters when there is excessive current.