All masses require force to accelerate (we can also think of this in terms of the mass generating a reaction…
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A form of protection against faults on long-distance power lines is called distance relaying, so named because…
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A pneumatic controller receives a process variable (PV) signal as a variable air pressure, compares that…
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A unique form of differential pressure-based flow measurement deserves its own section in this flow…
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Visualizing the actions of P, I, and D tuning parameters using graphs is extremely useful in predicting the…
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An interesting parallel to the “unity fraction” unit conversion technique is something referred to…
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As discussed at the beginning of this chapter, instrumentation safety may be broadly divided into two…
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“Polyphase” means “many phases,” describing a form of AC electrical system where…
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A pressure switch is one that detects the presence of fluid pressure. Pressure switches often use diaphragms…
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Regulating the electric power sent to an electric motor is a task performed by high-speed switching…
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A design-based fortification is one rooted in technical details of system architecture and functionality. Some…
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An electromechanical relay is an electrical switch actuated by an electromagnet coil. As switching devices,…
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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 engineer named Bob Metcalfe conceived the idea of Ethernet in 1973, while working for the Xerox research…
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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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All substances are comprised of various elements in various combinations and proportions. Elements may thus be…
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Sample sizes of chemical substances are often measured in moles. One mole of a substance is defined as a…
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Layer 1 of the OSI Reference Model is where we define the “physical” elements of a digital data…
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Light is known to interact with matter in very specific ways, which may be exploited as a means of measuring…
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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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