Current is the name we give to the motion of electric charges from a point of high potential to a point of low…
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A design-based fortification is one rooted in technical details of system architecture and functionality. Some…
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The vast majority of modern process transmitters (both analog and digital) come equipped with a feature known…
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Recall that an exothermic chemical reaction is one that releases a net sum of energy, as opposed to an…
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The following collection of photographs chronicles the complete disassembly of a Fisher E-body globe valve…
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Most people reading this book have likely had the experience of adjusting water temperature using two hand…
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Two extremely important principles in electric circuits were codified by Gustav Robert Kirchhoff in the year…
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The vast majority of PID controllers in service today are digital in nature. Microprocessors executing PID…
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A unique form of technical diagram for describing the abstract functions comprising a control system (e.g. PID…
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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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Non-dispersive analysis, while newer in discovery than dispersive analysis (Isaac Newton’s 17th-century…
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Any power grid large enough to meet the demand of an entire nation must have multiple generators drawing from…
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Stoichiometry is the accounting of atoms before and after a chemical reaction. It is an expression of the Law…
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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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Capacitive level instruments measure electrical capacitance of a conductive rod inserted vertically into a…
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Steam boilers are very common in industry, principally because steam power is so useful. Common uses for steam…
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There are many process control applications in the industry where it is desirable to have multiple control…
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An engineer named Bob Metcalfe conceived the idea of Ethernet in 1973, while working for the Xerox research…
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Data-processing modules within FF systems are known as function blocks. Sometimes these blocks serve merely to…
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A completely different way of measuring liquid level in vessels is to bounce a traveling wave off the surface…
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