- 産業: Government
- Number of terms: 22108
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A unit that equals 20 long hundredweight or 2,240 pounds. Used mainly in England.
Industry:Energy
A unit or measure of solar radiation; 1 calorie per square centimeter or 3.69 Btu per square foot.
Industry:Energy
A unit or measure of electricity supply or consumption of 1,000 Watts over the period of one hour; equivalent to 3,412 Btu.
Industry:Energy
A unit of work done by the force of one dyne acting through a distance of one centimeter.
Industry:Energy
A unit of volume equal to 1 cubic foot at a pressure base of 14.73 pounds standard per square inch absolute and a temperature base of 60 degrees Fahrenheit.
Industry:Energy
A unit of rate of water evaporation equal to the evaporation per hour of 34.5 pounds of water at a temperature of 212 degrees Fahrenheit into steam at 212 degrees F.
Industry:Energy
A unit of rate of operation. Electrical hp: a measure of time rate of mechanical energy output; usually applied to electric motors as the maximum output; 1 electrical hp is equal to 0.746 kilowatts or 2,545 Btu per hour. Shaft hp: a measure of the actual mechanical energy per unit time delivered to a turning shaft; 1 shaft Hp is equal to 1 electrical Hp or 550 foot pounds per second. Boiler Hp: a measure to the maximum rate to heat output of a steam generator; 1 boiler Hp is equal to 33,480 Btu per hour steam output.
Industry:Energy
A unit of pressure for a fluid, commonly used in water pumping and hydro power to express height a pump must lift water, or the distance water falls. Total head accounts for friction head losses, etc.
Industry:Energy
A unit of pressure (hydraulic (liquid) or pneumatic (gas)) that does not include atmospheric pressure.
Industry:Energy
A unit of power equal to 1 billion Watts; 1 million kilowatts, or 1,000 megawatts.
Industry:Energy
