Previous Year Question
One horsepower is approximately equal to how many watts?
A.
746 watts
B.
748 watts
C.
756 watts
D.
None of these
Correct Answer: A
Detailed Solution
Horsepower is a unit of power. The commonly used mechanical horsepower is approximately 745.7 watts, which is rounded to 746 watts. An official Bureau of Standards record also takes one horsepower as 746 watts.
Thus,
1 horsepower ≈ 746 W
Remember that the watt is the S.I. unit of power, whereas horsepower is a non-S.I. unit.