The conversion of 2,545 Btu's equals how many horsepower hours?

To determine how many horsepower hours are equivalent to 2,545 Btu, it’s essential to understand the relationship between these two units of energy.

One horsepower is generally defined as being equivalent to 2,545 Btu per hour. Therefore, when calculating horsepower hours, you can directly equate the total energy in Btu to horsepower hours by using this conversion factor. Since 2,545 Btu represents precisely one hour of energy at one horsepower, it follows that 2,545 Btu indeed translates to one horsepower hour.

This straightforward conversion demonstrates why the correct answer is one horsepower hour, as it aligns perfectly with the defined energy equivalence between Btu and horsepower.