دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: a unit of measure of work done by a machine. One horsepower equals 33,000 foot-pounds per minute. (Kilowatts are used to measure power in the international, or SI, system of measurement.)

n: it is a rate of holding work (transferring energy) equivalent to lifting 33,000 pounds at 1 foot per minute (33,000 ft.1b/min). This is of course also 550 ft.1b/sec.