Solids tend to expand when heated. The amount that a solid sample will expand with increased temperature…
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Control valves are supposed to deliver reliable, repeatable control of process fluid flow rate over a wide…
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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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Like many other mathematical operations, the derivative and the integral perform inverse operations from each…
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Volumes could be written about poor diagnostic technique. The following mistakes are not intended to comprise…
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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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“Radio” systems use electromagnetic fields to communicate information over long distances through…
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Those familiar with industrial instrumentation will find much within the electric power industry remarkably…
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Using filter cells to eliminate wavelengths associated with interfering gases is called positive filtering in…
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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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Thermodynamics is the study of heat, temperature, and their related effects in physical systems. As a subject,…
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A great many precision instruments use the principle of balance to measure some quantity. Perhaps the simplest…
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Hydrogen ion activity in aqueous (water-solvent) solutions is a very important parameter for a wide variety of…
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There are several different methods useful for causing an AC induction motor to brake, or slow down: DC…
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The reason why a pneumatic control valve’s stem position corresponds linearly to the amount of air…
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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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Suppose we wished to measure the rate of propane gas flow through a hose to a torch: Flowmeters appropriate…
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There is much to be said for neatness of assembly in electrical signal wiring. Even though the electrons…
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Imagine a liquid-level control system for a vessel, where the position of a level-sensing float sets the…
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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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Multiple accessories exist for pressure-sensing devices to function optimally in challenging process…
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