boiler horsepower

American  

noun

1. a unit of measurement of the ability of a boiler to evaporate water, usually given as the ability to evaporate 34½ pounds (15.6 kilograms) of water an hour, into dry saturated steam from and at 212°F (100°C).

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Example Sentences

With a three-barrel arrangement like this, water can be weighed rapidly enough to supply 300 boiler horsepower.

From Project Gutenberg

The capacity of a boiler is usually stated in boiler horsepower.

From Project Gutenberg

A boiler horsepower means the evaporation of 34.5 pounds of water per hour from and at 212° F. Therefore, to find the boiler horsepower developed during a test, calculate the evaporation from and at 212° F. per hour and divide it by 34.5.

From Project Gutenberg

According to the foregoing definition of a boiler horsepower, then— Boiler horsepower = 3,750 = 109.

From Project Gutenberg

Assuming this value and assuming further that the boiler tested had 1,500 square feet of heating surface, its rated horsepower would be 1,500 ÷ 10 = 150 boiler horsepower.

From Project Gutenberg