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Instrumentation

Analyzing Bearing Failure — Analyzing Bearing Failure
In iKnow

This is the second lesson in the iKNOW Bearings Library. This Lesson explains the purpose of bearings and demonstrates how bearings reduce friction and maintain the alignment of operating equipment. The basic operation of anti-friction bearings and plain journal bearings is demonstrated as well as the importance of full fluid film lubrication and proper lubrication clearance. Additionally, indications of various premature bearing failures are discussed. <br /><br />

Armature Reaction, Compensation, and Induced Voltage — Armature Reaction, Compensation, and Induced Voltage
In iKnow

The eighth lesson in the iKNOW AC/DC Motor Theory Library, this lesson demonstrates armature reaction, compensation, and induced voltage. <br /><br />

Analog Multimeters — Analog Multimeters
In iKnow

This is the second lesson in the iKNOW&reg Multimeters Library. This lesson demonstrates various aspects of an analog multimeter, including how to adjust mechanical zero, how to interpret a reading on the voltage and resistance scales, and how to set the function and range switches. <br /><br />

Advanced Features of Digital Multimeters — Advanced Features of Digital Multimeters
In iKnow

The final lesson in the iKNOW Multimeters Library, this lesson instructs the participant in the use of the advanced features of digital multimeters. <br /><br />

Alternating Current — Alternating Current
In iKnow

This is the fifth lesson in the iKNOW&reg Electrical Theory for Troubleshooters Library. This lesson teaches the basic AC characteristics of voltage, including how voltage changes over time. The participant is also instructed in using sine waves to interpret the frequency of AC voltage. <br /><br />

Mathematics 101 — Mathematics 101
In eCubed

Mathematics is the study of topics such as quantity (numbers), structure, space, and change.

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