(Will be addressed in future versions of this book)
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As previously defined, calibration refers to the checking and adjustment of an instrument so that its output…
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Phasors are to AC circuit quantities as polarity is to DC circuit quantities: a way to express the…
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Some of the simplest types of digital communication networks found in industry are defined by the EIA…
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Valve actuators provide force to move control valve trim. For precise positioning of a control valve, there…
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Flow, by definition, is the passage of material from one location to another over time. So far this chapter…
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Layer 1 of the OSI Reference Model is where we define the “physical” elements of a digital data…
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Self-balancing mechanisms consisting solely of a baffle/nozzle detector coupled to a feedback bellows, while…
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Coy, John J. et. al. (December 2012) Sampled graphic illustrations from his NASA Reference Publication…
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Any physical location in an industrial facility harboring the potential of explosion due to the presence of…
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The following collection of photographs chronicles the complete disassembly of a Fisher E-body globe valve…
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One of the simplest classes of temperature sensor is one where temperature effects a change in electrical…
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At the next OSI Reference Model layer (layer 4) is a set of protocols specifying how reliable communication…
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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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An important design parameter of a control valve is the position it will “fail” to if it loses…
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An important performance parameter for transmitter instruments is something often referred to as turndown or…
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This animation shows the basic operation of a gas chromatograph, showing the separation of different molecular…
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While the term “probability” may evoke images of imprecision, probability is in fact an exact…
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To summarize some of the key points and concepts for teaching: Do not waste class time transmitting facts to…
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A different strategy for controlling the flow of fluid is to insert a rotary element into the flow path.…
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