Thermodynamics is the study of heat, temperature, and their related effects in physical systems. As a subject,…
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The following animation shows a rotating phasor in three-dimensional form. The phasor rotates in a complex…
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Earlier in this chapter you were shown a model of a nitrogen atom with a dense nucleus (comprised of protons…
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Temperature measurement devices may be classified into two broad types: contact and non-contact. Contact-type…
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Programmable logic controllers are essentially nothing more than special-purpose, industrial computers. As…
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The term “grid” refers to the conductors and equipment interconnecting power sources to power…
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Perhaps the most important rule to obey when using pneumatic instruments is to maintain clean and dry…
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Modern DC and AC motor drives provide features useful when using electric motors as final control elements.…
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Perhaps the most important rule of controller tuning is to know the process before attempting to adjust the…
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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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The Law of Mass Conservation states that matter can neither be created nor destroyed. The Law of Energy…
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A proximity switch is one detecting the proximity (closeness) of some object. By definition, these switches…
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As we have seen, the concept of differentiation is finding the rate-of-change of one variable compared to…
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The very purpose of physics is to quantitatively describe and explain the physical world in as few terms as…
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Disturbances in the liquid tend to complicate liquid level measurement. These disturbances may result from…
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The disadvantages of pneumatic instruments are painfully evident to anyone familiar with both pneumatic and…
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A Safety Instrumented Function, or SIF, is one or more components designed to execute a specific…
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Lipták, Béla G. et al., Instrument Engineers’ Handbook – Process Measurement and Analysis Volume I,…
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Classical mechanics (often called Newtonian mechanics in honor of Isaac Newton) deal with forces and motions…
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Steam boilers are very common in industry, principally because steam power is so useful. Common uses for steam…
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