A standard measure of energy in the British unit system. 1 Btu is the amount of heat required to raise the temperature of a liquid by 1 degree.
Related Terms |
AIR COOLER
A factory-encased assembly of elements whereby the temperature of air passing through the device is reduced.
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ISO SOLID CONTAMINANT CODE (ISO 4406)
A code assigned on the basis of the number of particles per unit volume greater than 5 and 15 micrometers in size. Range numbers identify each increment in the particle population throughout the spectrum of levels.
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REMOTE REFRIGERATING SYSTEM
Refrigerating system in which condensing unit is away from space to be cooled.
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CLEAN ROOM
A facility or enclosure in which air content and other conditions (such as temperature, humidity, and pressure) are controlled and maintained at a specific level by special facilities and operating processes and by trained personnel.
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ABSOLUTE ZERO TEMPERATURE
Temperature measured from absolute zero (-459.67°F, or -273.16°C).
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HYDROMETER
An instrument for determining either the specific gravity of a liquid or the API gravity.
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AIR REHEATING
In an air conditioning system, the final step in treatment, in the event the temperature is too low.
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ABSORPTION
The assimilation of one material into another; in petroleum refining, the use of an absorptive liquid to selectively remove components from a process stream.
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CLOUD POINT
The temperature at which waxy crystals in an oil or fuel form a cloudy appearance.
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ABSOLUTE TEMPERATURE SCALE
A scale of temperature measurement in which zero degrees is absolute zero.
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