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| Efficiency |
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The ratio of output to input. Volumetric efficiency of a pump is the actual output in gpm divided by the theoretical or design output. The overall efficiency of a hydraulic system is the output power divided by the input power. Efficiency is usually expressed as a percent.
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| Electro-hydraulic servo valve |
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A directional type valve which receives a variable or controlled electrical signal and which controls or meters hydraulic flow.
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| Elevator |
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A building or terminal where grain is elevated and transferred to an alternate mode of transportation (e.g. truck to rail, rail to ship).
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| Encoder |
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Device attached to a moving chain that produces an electrical signal each time the chain moves a fixed distance. The encoder is attached to the chain and used to track the movement of the pieces through a scanner.
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| Energy |
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The ability or capacity to do work. Measured in units of work.
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| Error (signal) |
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The signal which is the albraic summation of an input signal and a feedback signal.
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| Eutrophic |
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Nutrient enriched.
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| Eutrophication |
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The process of nutrient enrichment.
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| Evaporate |
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Changing water from a liquid to a vapor form.
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| Excess air |
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Refers to the quantity of air supplied that exceeds the minimum necessary to support the combustion chemistry.
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| Expander |
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Equipment to process feed ingredients prior to pelleting where moisture, pressure, and temperature are used to gelatinize the starch portion. The net result is increased nutritional and sensoric properties of the feed.
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| Extruded |
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A process by which feed has been pressed, pushed or protruded through orifices under pressure.
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| Extruders |
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Essentially a long barrel with a screw auger inside which is designed to subject feed mixtures to high heat and steam pressure. Allows feed to be made with many different characteristics.
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