An interesting parallel to the “unity fraction” unit conversion technique is something referred to…
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Some problem-solving techniques are unique to quantitative problems, involving mathematical calculations. In…
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Suppose we wished to measure the consumption of propane over time for a large propane storage tank supplying a…
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Current is the name we give to the motion of electric charges from a point of high potential to a point of low…
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A fundamental principle in instrumentation system troubleshooting is that every instrument has at least one…
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A sliding-stem valve body is one where the moving parts slide with a linear motion. Some examples of…
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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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Control strategies such as cascade, ratio, feedforward, and those containing limit and selector functions can…
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The most popular form of signal transmission used in modern industrial instrumentation systems (as of this…
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As defined previously, calibration means the comparison and adjustment (if necessary) of an instrument’s…
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Although it seems each model of PLC has its own idiosyncratic standard for programming, there does exist an…
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An important performance parameter for transmitter instruments is something often referred to as turndown or…
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A special type flowmeter suited for powdered or granular solids is the weighfeeder. One of the most common…
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As previously defined, calibration refers to the checking and adjustment of an instrument so that its output…
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(Will be addressed in future versions of this book)
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Learning how to tune PID controllers is a skill born of much practice. Regardless of how thoroughly you may…
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Any power grid large enough to meet the demand of an entire nation must have multiple generators drawing from…
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An important design parameter of a control valve is the position it will “fail” to if it loses…
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It is often useful to express the amplitude of an alternating quantity such as voltage or current in terms…
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