FE Chemical — 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: 6–9 questions (Practice allocation: 5.93%)

  • Analytic geometry, logarithms, and trigonometry
  • Calculus
  • Differential equations
  • Numerical methods
  • Algebra
  • Accuracy, precision, and significant figures
• Probability and Statistics — Official range: 4–6 questions (Practice allocation: 3.95%)

  • Probability distributions
  • Expected value in decision making
  • Hypothesis testing and design of experiments
  • Measures of central tendencies and dispersions
  • Regression and curve fitting
  • Statistical control
• Engineering Sciences — Official range: 4–6 questions (Practice allocation: 3.95%)

  • Basic dynamics
  • Work, energy, and power
  • Electricity, current, and voltage laws
• Materials Science — Official range: 4–6 questions (Practice allocation: 3.95%)

  • Chemical, electrical, mechanical, and physical properties
  • Material types and compatibilities
  • Corrosion mechanisms and control
  • Polymers, ceramics, and composites
• Chemistry and Biology — Official range: 7–11 questions (Practice allocation: 7.11%)

  • Inorganic chemistry
  • Organic chemistry
  • Analytical chemistry
  • Biochemistry, microbiology, and molecular biology
  • Bioprocessing
• Fluid Mechanics/Dynamics — Official range: 8–12 questions (Practice allocation: 7.91%)

  • Fluid properties
  • Dimensionless numbers
  • Mechanical energy balance
  • Bernoulli equation
  • Laminar and turbulent flow
  • Flow measurement
  • Pumps, turbines, compressors, and vacuum systems
  • Compressible flow and non-Newtonian fluids
• Thermodynamics — Official range: 8–12 questions (Practice allocation: 7.91%)

  • Thermodynamic properties of pure components and mixtures
  • Properties data and phase diagrams of pure components and mixtures
  • Thermodynamic laws
  • Thermodynamic processes
  • Cyclic processes and efficiencies
  • Phase equilibrium
  • Chemical equilibrium
  • Heats of reaction and mixing
• Material/Energy Balances — Official range: 10–15 questions (Practice allocation: 9.88%)

  • Steady-state mass balance
  • Unsteady-state mass balance
  • Steady-state energy balance
  • Unsteady-state energy balance
  • Recycle/bypass processes
  • Reactive systems
• Heat Transfer — Official range: 8–12 questions (Practice allocation: 7.91%)

  • Conductive heat transfer
  • Convective heat transfer
  • Radiation heat transfer
  • Heat-transfer coefficients
  • Heat-transfer equipment, operation, and design
• Mass Transfer and Separation — Official range: 8–12 questions (Practice allocation: 7.91%)

  • Molecular diffusion
  • Convective mass transfer
  • Separation systems
  • Equilibrium stage methods
  • Continuous contact methods
  • Humidification, drying, and evaporation
• Solids Handling — Official range: 3–5 questions (Practice allocation: 3.16%)

  • Particle properties
  • Processing
  • Transportation and storage
• Chemical Reaction Engineering — Official range: 7–11 questions (Practice allocation: 7.11%)

  • Reaction rates and order
  • Rate constant
  • Conversion, yield, and selectivity
  • Type of reactions
  • Reactor types
  • Catalysis
• Economics — Official range: 4–6 questions (Practice allocation: 3.95%)

  • Time value of money
  • Economic analyses
  • Uncertainty
  • Project selection
• Process Design — Official range: 7–11 questions (Practice allocation: 7.11%)

  • Process flow diagrams and piping and instrumentation diagrams
  • Equipment selection
  • Equipment and facilities cost estimation
  • Process design and optimization
  • Design standards
• Process Control — Official range: 4–6 questions (Practice allocation: 3.95%)

  • Dynamics
  • Control strategies
  • Control loop design and hardware
• Safety, Health, and Environment — Official range: 5–8 questions (Practice allocation: 5.14%)

  • Hazardous properties of materials, including SDS
  • Industrial hygiene
  • Process safety, risk assessment, and hazard analysis
  • Overpressure and underpressure protection
  • Waste minimization, waste treatment, and regulation
  • Reactivity hazards
• Ethics and Professional Practice — Official range: 3–5 questions (Practice allocation: 3.16%)

  • Codes of ethics
  • Agreements, contracts, and contract law
  • Public health, safety, and welfare
  • Intellectual property