Celsius Heat Unit (Chu)
Celsius Heat Unit (Chu) :
A unit of heat energy equal to the energy required to raise the temperature of one pound of water by 1oC at standard atmospheric pressure. 1 Chu is equal to exactly 1.8 Btu, approximately 453.59 IT calories (See above), or 1.8991 kilojoules. The unit is also called the centigrade heat unit
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