Solids tend to expand when heated. The amount that a solid sample will expand with increased temperature…
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Like so many other industrial data networks, FOUNDATION Fieldbus is an “unswitched” or…
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By definition, a source is a device delivering energy into a system, while a load is a device extracting…
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Abdelaziz, Ahmed (June 2014) Identified numerous typographical errors throughout the book, mostly repeated…
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An variable-area flowmeter is one where the fluid must pass through a restriction whose area increases with…
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One of the most common, and most useful, pressure measuring instruments in industry is the differential…
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A very common form of on/off valve used for pneumatic and hydraulic systems alike is the solenoid valve. A…
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In reliability engineering, it is important to be able to quantity the reliability (or conversely, the…
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In order to provide an interface between the internal (digital) world of a computer and the external (analog)…
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Virtually any mass above absolute zero temperature emits electromagnetic radiation (photons, or light) as a…
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One of the most important accessories for any temperature-sensing element is a pressure-tight sheath known as…
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RTDs are completely passive sensing elements, requiring the application of an externally-sourced electric…
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Perhaps the most confusing aspect of discrete sensors is the definition of a sensor’s normal status.…
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In the United States, the most common language used to program PLCs is Ladder Diagram (LD), also known as…
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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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The simplest form of 4-20 mA current loop is the type used to represent the output of a process controller,…
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When I began teaching full-time in 1998, most of what I thought I understood about good teaching was actually…
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An important type of “accessory” relay, especially for legacy electromechanical protective relays,…
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In addition to directly performing logic functions, electromechanical relays may also be used as interposing…
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Thermodynamics is the study of heat, temperature, and their related effects in physical systems. As a subject,…
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All masses require force to accelerate (we can also think of this in terms of the mass generating a reaction…
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