Question
Download Solution PDFOne Horse Power is equal to ______ Watt.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is 746 Watt.
Key Points
- One Horsepower (HP) is defined as 746 watts (W).
- The term "horsepower" was coined by James Watt, the inventor of the steam engine, to compare the output of steam engines with the power of draft horses.
- Horsepower is a unit of measurement of power, or the rate at which work is done, commonly used in reference to the output of engines and motors.
- 1 HP is equivalent to lifting 550 pounds (lb) one foot (ft) in one second.
Additional Information
- Watts:
- A watt is a unit of power in the International System of Units (SI) equivalent to one joule per second.
- It is used to quantify the rate of energy transfer.
- James Watt:
- James Watt was a Scottish inventor and mechanical engineer whose improvements to the steam engine were fundamental to the changes brought by the Industrial Revolution.
- The unit of power "watt" was named in his honor.
- Power Measurement:
- Power is the rate at which work is done or energy is transferred over time.
- Other common units of power include kilowatts (kW), megawatts (MW), and British thermal units per hour (BTU/h).
- Engine and Motor Ratings:
- Horsepower is commonly used to rate the power output of engines, especially in automotive and industrial contexts.
- Electrical motors are often rated in both horsepower and watts or kilowatts.
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