FE Environmental — Information & Free Practice

The authority publishes question-count ranges for each content area. The practice percentages below use the midpoint of each range, normalized to 100%; they are not exact percentages published by the authority. Practice question counts may differ slightly because of rounding.

• Mathematics — Official range: 5–8 questions (Practice allocation: 5.12%)

  • Analytic geometry and trigonometry
  • Algebraic equations and roots
  • Calculus
  • Numerical methods
• Probability and Statistics — Official range: 4–6 questions (Practice allocation: 3.94%)

  • Measures of central tendencies and dispersions
  • Probability distributions
  • Estimation for a single mean
  • Regression, curve fitting, and goodness of fit
  • Hypothesis testing
• Ethics and Professional Practice — Official range: 5–8 questions (Practice allocation: 5.12%)

  • Codes of ethics
  • Public health, safety, and welfare
  • Compliance with codes, standards, and regulations
  • Engineer’s role in society
• Engineering Economics — Official range: 5–8 questions (Practice allocation: 5.12%)

  • Time value of money
  • Cost types and breakdowns
  • Economic analyses
  • Project selection
• Fundamental Principles — Official range: 7–11 questions (Practice allocation: 7.09%)

  • Population projections and demand calculations
  • Reactors
  • Materials science
• Environmental Chemistry — Official range: 7–11 questions (Practice allocation: 7.09%)

  • Stoichiometry and chemical reactions
  • Kinetics
  • Organic chemistry
  • Multimedia equilibrium partitioning
• Health Hazards and Risk Assessment — Official range: 4–6 questions (Practice allocation: 3.94%)

  • Dose-response toxicity
  • Exposure routes and pathways
  • Occupational health
• Fluid Mechanics and Hydraulics — Official range: 12–18 questions (Practice allocation: 11.81%)

  • Fluid statics
  • Closed conduits
  • Open channel
  • Pumps
  • Flow measurement
  • Blowers
  • Fluid dynamics
  • Steady and unsteady flow
• Thermodynamics — Official range: 3–5 questions (Practice allocation: 3.15%)

  • Thermodynamic laws
  • Energy, heat, and work
  • Behavior of ideal gases
• Surface Water Resources and Hydrology — Official range: 9–14 questions (Practice allocation: 9.06%)

  • Runoff calculations
  • Water storage sizing
  • Routing
  • Water quality and modeling
  • Water budget
• Groundwater, Soils, and Sediments — Official range: 8–12 questions (Practice allocation: 7.87%)

  • Basic hydrogeology
  • Groundwater flow
  • Drawdown
  • Remediation of soil, sediment, and/or groundwater
• Water and Wastewater — Official range: 12–18 questions (Practice allocation: 11.81%)

  • Water and wastewater characteristics
  • Mass balance and loading rates
  • Physical processes
  • Chemical processes
  • Biological processes
  • Sludge treatment and handling
  • Water conservation and reuse
• Air Quality and Control — Official range: 8–12 questions (Practice allocation: 7.87%)

  • Ambient and indoor air quality
  • Mass and energy balances
  • Emissions
  • Atmospheric modeling and meteorology
  • Gas treatment technologies
  • Particle treatment technologies
  • Indoor air quality modeling and controls
• Solid and Hazardous Waste — Official range: 7–11 questions (Practice allocation: 7.09%)

  • Mass and energy balances
  • Solid waste management
  • Solid waste disposal
  • Hazardous waste compatibility
  • Site characterization
  • Hazardous and radioactive waste treatment and disposal
• Energy and Environment — Official range: 4–6 questions (Practice allocation: 3.94%)

  • Energy sources concepts
  • Environmental impact of energy sources and production