Solids tend to expand when heated. The amount that a solid sample will expand with increased temperature…
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Abdelaziz, Ahmed (June 2014) Identified numerous typographical errors throughout the book, mostly repeated…
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In November of 2007 a new computer virus was submitted to a virus scanning service. The purpose of this new…
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At the root of successful system diagnosis is a rigorous adherence to scientific reasoning. There exists no…
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A great many chemical composition measurements may be made indirectly by means of electricity, if those…
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Although analog electronic process controllers are considered a newer technology than pneumatic process…
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The following animation shows a rotating phasor in three-dimensional form. The phasor rotates in a complex…
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One of the great benefits of digital technology is the ability to communicate vast amounts of information over…
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In this section I will show screenshots from a process loop simulation program illustrating the effectiveness…
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For better or worse, there are no fewer than three different forms of PID equations implemented in modern PID…
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Mechanical pressure-sensing elements include the bellows, the diaphragm, and the bourdon tube. Each of these…
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Perhaps the most basic and necessary protective relay function is overcurrent: commanding a circuit breaker to…
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Non-dispersive analysis, while newer in discovery than dispersive analysis (Isaac Newton’s 17th-century…
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Valves can experience a number of problems, most of them either preventable or repairable. These problems can…
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Much of our knowledge about atomic structure comes from experimental data relating the interaction between…
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The advent of “smart” field instruments containing microprocessors has been a great advance for…
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Disconnect Switches Disconnects are switches designed to isolate sections of a power system in case of damage…
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Process measurements are often of an analog nature: the temperature of a furnace, the rate of fluid flow…
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Cyber-security seems to have its own vocabulary, ranging from unwieldy technical acronyms to slang terms…
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In order for any PID controller to be practical, it must be able to do more than just implement the PID…
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