DC Boiler Exam Prep 2023 (Formulas and constants used for the DC 3rd class boiler exam)
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Area of a rectangle ✔✔ Length x Width Area of a Circle ✔✔ .7854 x Diameter² Volume of a Box ✔✔ Length x Width x Height Volume o f a Cylinder ✔✔ .7854 x Diameter² x Length Circumference of a Circle ✔✔ π x Diameter Unit of Force ✔✔ Pound (lb) Formula for Force ✔✔ Pressure ÷ Area Unit of Work ✔✔ in-lb or ft-lb Formula for Work ✔✔ Force x Distance Unit of Power ✔✔ ft-lb/min Formula for Power ✔✔ = Work ÷ Time or (Force x Distance) ÷ Time Formula for Mechanical Horsepower ✔✔ = Power ÷ 33,000 ft-lb/min Fahrenheit to Celsius ✔✔ °C = (°F - 32) ÷ 1.8 Celsius to Fahrenheit ✔✔ °F = (1.8 x °C) - 32 Fahrenheit to Rankine ✔✔ °R = °F + 460