FORMULA SHEET - Homestead

Area = Pie x R²÷ 144 3.14 x 7.5² ÷ 144 = 1.23 SQ Feet Area = Pie x R² 3.14 x 7.5² = 176.625 SQ Inches CFM= Area (SQ. FT) x Velocity (FPM) 1.23 x 1201 1473.1 CFM Area of a circle . BHP Formula Calculations. BHP (Actual) = 1.73 x amps x volts x eff. x P.F. 746 PF = Watts read by meter Measured Volts x Measured Amps ................
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