Math Formulas

  1. Engineering Controls
    1. Volumetric Flow Rate in a duct
    2. Velocity
    3. Average Duct Velocity
    4. Total Pressure
    5. Effective Dilution Rate
    6. Airborne concentration of gas or vapor
    7. Air Discharge Volume
    8. Rotational Speed
    9. Hoods
      1. Without Flanges
        • Capture Velocity
      2. With Flanges
        • Capture Velocity
  2. Physics
    1. Force to slide
    2. Force to tip
    3. Final velocity
    4. Distance traveled
    5. Final velocity
    6. Kinetic Energy
    7. Weight
    8. Velocity in miles per hour
    9. Velocity in kilometers per hour
    10. Velocity in miles per hour
    11. Total velocity over multiple coefficients of friction
  3. Statistics
    1. T-score
    2. Z-score
    3. Poisson distribution
    4. Probability (failure)
    5. Regression (coefficient of correlation)
    6. Reliability
    7. Sample standard deviation
    8. Data point
    9. Population standard deviation
    10. Number of combinations possible when taking N thing K at a time
  4. Structural and Mechanical
    1. Area
    2. Volume
  5. Trigonometry Functions
    1. Angle of a ramp
    2. Sling Angles
  6. Chemical and Industrial Hygiene
    1. Parts Per Million
    2. Time Weighted Average
    3. Lower Explosive Limit
    4. Threshold Limit Values
  7. Electrical
    1. Voltage
    2. Power
    3. Resistance (Series)
    4. Resistance (Parallel)
  8. Ergonomics
    1. NIOSH Lifting Equation
    2. Lifting Index
  9. Financial Principles
    1. Future value
    2. Present value
    3. Payments
  10. Fire Prevention and Protection
    1. Hydrostatics and Hydraulic
      1. Pressure velocity
      2. Flow (Static vs. Residual)
      3. Flow (Pressure differential)
      4. Pressure Drop
  11. Gas Laws
  12. Heat Stress
    1. Indoor
    2. Outdoor
  13. Noise
    1. Sound Power Level
    2. Sound Pressure Level
    3. Combined dB for all sources
    4. Noise level at distance
    5. Allowable exposure time
    6. Time Weight average
    7. Total sound power level generated by N sources
    8. Total sound pressure level generated by N sources
    9. Noise dose
  14. OSHA Rates
    1. Incident Rate
    2. Lost Time Case Rate
    3. Day Away/Restricted or Job Transfer Rate
    4. Severity Rate 
  15. Radiation
    1. Intensity
    2. Roentgens
    3. Radioactivity remaining after time (t)