## Babylon English

unit for measuring the rate of work of an engine or motor

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unit for measuring the rate of work of an engine or motor

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BTS Transportation Expressions

The amount of work that an engine can perform within a given time. One horsepower equals 33,000 foot pounds of work per minute. (GSA2)

By the Bureau of Transportation Statistics.Glossary of petroleum Industry

A unit of power equivalent to 33,000 foot-pounds a minute or 745.7 watts of electricity.

EIA Energy Glossary

A unit for measuring the rate of work (or power) equivalent to 33,000 foot-pounds per minute or 746 watts.

Source: Energy Information Administration, 2006Energy Glossary

(HP) - A unit for measuring the rate of doing work. One horsepower equals about three-fourths of a kilowatt (745.7 watts).

Dictionary of Automotive Terms

(HP) A measurement of the engine's ability to perform work. One horsepower is defined as the ability to lift 33,000 pounds one foot in one minute. To find horsepower, the total rate of work in foot pounds accomplished is divided by 33,000. If a machine was lifting 100 pounds 660 feet per minute, its total rate of work would be 66,000 foot pounds per minute. Divide this by 33,000 foot pounds per minute to arrive at 2 horsepower. In metric terms, it is the ability to raise 250 kilograms a distance of 30 centimeters in one second. It is also equal to 746 watts. See brake horsepower , friction horsepower , indicated horsepower , SAE horsepower , SAE gross horsepower , and SAE net horsepower .

Wikipedia English - The Free Encyclopedia

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maritime&shipping&trade

A unit of power equal in the United States to 746 watts; nearly equivalent to the English gravitational unit of the same name that equals 550 foot-pounds of work per second.

Environmental Engineering (English ver.)

A unit of power, numerically equal to a rate of 33,000 foot-pounds of work per minute (or 550 foot-pounds per second), used in stating the power of an engine or any other prime mover, or in estimating the power required to drive machinery, or the like. The term horsepower was originated by Boulton and Watt to state the power of their steam engines. In a practical test it was found that the average horse could work constantly at a rate of 22,000 foot-pounds per minute. This was increased by one half (50 percent) in making this arbitrary, and now universal, unit of power. Electrical Horsepower is horsepower calculated from electric units whereby 746 watts of electrical energy is equivalent to one horsepower.

WordNet 2.0

1. a unit of power equal to 746 watts

(synonym) HP, H.P.

(hypernym) power unit

(part-meronym) watt, W

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