DC Boiler Exam Prep (Formulas and constants used for the DC 3rd class boiler exam)Q&A
DC Boiler Exam Prep (Formulas and constants used for the DC 3rd class boiler exam)Q&A 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 + 46
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