Question 1

What is BTU/s and how does it relate to watts?

Accepted Answer

BTU/s (BTU per second) = 1055.06 watts. This is a high power unit: 1 BTU/s equals over 1 kilowatt. Used for large industrial heating/cooling systems.

Question 2

How do I convert BTU/s to horsepower?

Accepted Answer

BTU/s × 1.415 = horsepower. 1 BTU/s = 1.055 kW = 1.415 hp. This unit appears in industrial boiler and furnace specifications.

Question 3

What's the difference between mechanical and electrical horsepower?

Accepted Answer

Mechanical HP (550 ft·lb/s) = 745.7W. Electrical HP = 746W. Metric HP (PS) = 735.5W. Boiler HP = 9810W. Different industries defined their own standards.

Question 4

How do I size a motor or generator?

Accepted Answer

Calculate peak power needs, add 20-25% safety margin. Consider duty cycle - continuous vs intermittent use affects sizing differently.

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