Area refers to the size of two-dimensional surface. Volume refers to the size of a three-dimensional space. To…
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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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Circuit breakers used in residential, commercial, and light industrial service are self-tripping devices: they…
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The following animation shows the calculus concepts of differentiation and integration (with respect to time)…
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A variety of technologies exist to measure the quantity of stored material in a vessel. For liquid…
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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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When a high-energy photon strikes an atom, it may eject one of the lower-level electrons from its shell,…
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An extremely important topic in engineering is that of transfer functions. Simply defined, a transfer function…
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The three “elementary” particles of matter comprising all atoms are electrons, protons, and…
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While the term “probability” may evoke images of imprecision, probability is in fact an exact…
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To review, voltage is the measure of potential energy available to electric charges. Current is the uniform…
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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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Solids tend to expand when heated. The amount that a solid sample will expand with increased temperature…
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Filled-bulb systems exploit the principle of fluid expansion to measure temperature. If a fluid is enclosed in…
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Self-balancing mechanisms consisting solely of a baffle/nozzle detector coupled to a feedback bellows, while…
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In reliability engineering, it is important to be able to quantity the reliability (or conversely, the…
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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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Control strategies such as cascade, ratio, feedforward, and those containing limit and selector functions can…
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The term “grid” refers to the conductors and equipment interconnecting power sources to power…
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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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