“As to methods there may be a million and then some, but principles are few. The man who grasps…
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The majority of flowmeter technologies operate on the principle of interpreting fluid flow based on the…
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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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Programmable logic controllers are essentially nothing more than special-purpose, industrial computers. As…
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A very simple device used to measure pressure is the manometer: a fluid-filled tube where an applied gas…
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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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Some of the simplest types of digital communication networks found in industry are defined by the EIA…
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Imagine a major marathon race, where hundreds of runners gather in one place to compete. When the starting gun…
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Certain types of nuclear radiation easily penetrates the walls of industrial vessels, but is attenuated by…
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A control strategy similar to ratio control is relation control. This is similar to ratio control in that a…
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Learning from reading printed text is a kind of problem-solving activity it is own right. The problem is how…
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Learning is not merely a process of information transfer. It is first and foremost a transformation of…
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AC induction motors are based on the principle of a rotating magnetic field produced by a set of stationary…
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One of the marks of a successful problem-solver is a habit of applying general principles to every new problem…
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Three-phase AC is the dominant mode of electric power generation and distribution in modern societies.…
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In addition to Ohm’s Law, we have a set of rules describing how voltages, currents, and resistances…
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To show a practical process example, let’s examine three diagrams for a compressor control system,…
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In a manually-controlled process, a human operator directly actuates some form of final control element…
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Fieldbus devices require far more attention in their initial setup and commissioning than their analog…
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Displacer level instruments exploit Archimedes’ Principle to detect liquid level by continuously…
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