Tips, Tricks & Recipes

Thermal Units Latent heat of ice = 144 BTU/lb = 288,000 BTU/ton 1 ton refrigeration = 12,000 BTU/hr = 288,000/24 hours 1 British Thermal Unit (BTU) = .252 kcal 1 kilo – calorie (kcal) = 3.97 BTU 1 BTU/lb = 0.555 kcal/kg 1 watt = 1.8 BTU/lb = 1 kcal/kg/°C. = 3.413 BTU/hr HEAT, ENERGY, [...]

Horse Power – Ampre Table Approximate Horsepower 120 Volts 240 Volts Full Load Locked Rotor Full Load Locked Rotor 1/4 AC 4.4 26.4 2.2 13.2 DC — — — — 1/4 AC 5.8 34.8 2.9 17.4 DC 2.9 29.0 1.5 15.0 1/3 AC 7.2 43.2 3.6 21.6 DC 3.6 36.0 1.8 18.0 1/2 AC 9.8 [...]

This chart shows four ways to figure each value: Amps (1), Volts (E), Ohms (R), or Watts (W) Example: A 4800 watt electric heat element is connected to a 240 volt circuit. How many Amps (1) does it draw? Solution: Locate Amps section of chart- Watts (W) = Amps (1) Volts (E) Thus 4800 / [...]

Single Phase Heating Element Conversion Chart 240 Volts 208 Volts 120 Volts 6000 Watts 4500 Watts 1500 Watts 5000 Watts 3750 Watts 1250 Watts 4000 Watts 3000 Watts 1000 Watts 3000 Watts 2250 Watts 750 Watts 2500 Watts 1875 Watts 625 Watts 2000 Watts 1500 Watts 500 Watts Always use a higher voltage element to [...]

Volume-Weight Conversions wt. lbs. 1 Cubic Foot of Water 62.4* 1 Cubic Inch of Water 0.0361* 1 Gallon of Water 8.33* 1 Cubic Foot of Air .075+ 1 Cubic Inch of Steel 0.284 1 Cubic Foot of Brick (Building) 112-120 1 Cubic Foot of Concrete 120-140 1 Cubic Foot of Earth 70-120 * at 32° [...]

To Convert Pressure (at 32° F) From To Multiply By Inches of Water Pounds per Sq. Inch 0.03612 Pounds per Sq. Inch Inches of Water 27.686 Feet of Water Pounds o Sq. Inch 0.4334 Pounds per Sq. Inch Feet of Water 2.307 Inches of Mercury Pounds per Sq. Inch 0.4912 Pounds per Sq. Inch Inches [...]

English Conversion Factors & Data To Convert Measurements From To Multiply By Cubic Feet Cubic Inches 1728. Cubic Inches Cubic Feet 0.00058 Cubic Feet Gallons 7.480 Gallons Cubic Feet 0.1337 Cubic Inches Gallons 0.00433 Gallons Cubic Inches 231. Barrels Gallons 42. Gallons Barrels 0.0238 Imperial Gallons U.S. Gallons 1.2009 U.S. Gallons Imperial Gallons 0.8326 Feet [...]

To Convert Power – English From To Multiply By Horsepower Metric Horsepower 1.014 Horsepower Ft./Power per Minute 33000. Horsepower Kilowatts 0.746 Kilowatts Horsepower 1.3404 British Thermal Units Foot/Pounds 778.177 Foot/Pounds British Thermal Units 0.001285 British Thermal Units Horsepower Hours 0.0003927 Horsepower Hours British Thermal Units 2544.1 British Thermal Units Kilowatt Hours 0.0002928 Kilowatt Hours British [...]