FE Civil Exam Topics: All 14 Subject Areas Explained

The NCEES FE Civil exam is a computer-based test containing 110 questions that must be completed within 5 hours and 20 minutes of exam time, inside an approximately 6-hour total appointment. The exam covers 14 distinct subject areas, and NCEES publishes a range of questions for each one.

Understanding exactly what each topic covers, how heavily it is weighted, and how difficult it tends to be is essential for building an effective study plan. In this complete guide, we break down every single subject area so you know precisely what to expect on exam day.

NCEES publishes a range of questions for each area, not a percentage. Each bar runs from the fewest to the most questions that area can have on your exam. Largest areas first.

• Questions NCEES assigns to the area (July 2020 specification)

View the data as a table

FE Civil knowledge areas and the number of questions NCEES assigns to each (110 questions in total; July 2020 specification).

Knowledge area	Questions (NCEES range)
Water Resources and Environmental Engineering	10–15
Structural Engineering	10–15
Geotechnical Engineering	10–15
Transportation Engineering	9–14
Mathematics and Statistics	8–12
Statics	8–12
Construction Engineering	8–12
Mechanics of Materials	7–11
Fluid Mechanics	6–9
Surveying	6–9
Engineering Economics	5–8
Materials	5–8
Ethics and Professional Practice	4–6
Dynamics	4–6

1. Mathematics and Statistics (8–12 questions)

Mathematics and Statistics forms the backbone of the entire FE Civil exam. This topic tests your ability to work with the mathematical tools that underpin every other engineering subject on the test. NCEES assigns it 8 to 12 of the 110 questions.

What to Expect in 1. Mathematics and Statistics

Questions in this section focus on applied math rather than pure theory. You will need to solve problems quickly using the FE Reference Handbook, so familiarity with where formulas are located is critical.

1. Mathematics and Statistics: Key Concepts

• Analytic geometry: Lines, planes, conic sections, areas and volumes, and the trigonometry behind them
• Single-variable calculus: Derivatives, integrals, and maxima and minima
• Vector operations: Components, unit vectors, dot and cross products
• Statistics: Distributions, mean, mode, standard deviation, confidence intervals, regression and curve fitting

1. Mathematics and Statistics Difficulty: Moderate

Most candidates have strong math backgrounds, but the time pressure makes this section challenging. The key is speed and knowing exactly where to find formulas in the handbook.

2. Ethics and Professional Practice (4–6 questions)

Ethics and Professional Practice is one of the two smallest areas: NCEES assigns it 4 to 6 of the 110 questions. However, these are often considered among the easiest points on the exam because they rely on reasoning rather than calculations.

What to Expect in 2. Ethics and Professional Practice

Questions present scenarios involving professional conduct, and you must identify the most ethical course of action. There are no complex formulas here, just sound professional judgment.

2. Ethics and Professional Practice: Key Concepts

• Codes of ethics: The NCEES Model Rules and the codes of professional and technical societies
• Professional liability: Negligence, the standard of care, and responsibility for your work
• Licensure: When a PE license is required and what it obliges you to do
• Contracts and contract law: Offer, acceptance, consideration, breach, and the engineer's role in a contract

2. Ethics and Professional Practice Difficulty: Easy

This is one of the most straightforward sections. If you read through the NCEES Model Rules and use common sense, you can pick up nearly all these points with minimal study time.

3. Engineering Economics (5–8 questions)

Engineering Economics tests your ability to evaluate the financial viability of engineering projects. NCEES assigns it 5 to 8 of the 110 questions, focused on time value of money, costs, and economic decisions under uncertainty.

What to Expect in 3. Engineering Economics

Most problems involve using interest factor tables (provided in the handbook) to convert between present worth, future worth, and annual worth. The math is straightforward once you understand which factor to apply.

3. Engineering Economics: Key Concepts

• Time value of money: Equivalence, present worth, equivalent annual worth, future worth, and rate of return
• Cost: Fixed, variable, direct and indirect labor, incremental, average, and sunk costs
• Analyses: Break-even, benefit-cost, life-cycle cost, sustainability, and renewable energy decisions
• Uncertainty: Expected value and risk

3. Engineering Economics Difficulty: Easy to Moderate

Engineering Economics is highly formulaic. Once you memorize the process for selecting the correct interest factor, problems become repetitive and predictable. This is a high-value section for efficient studying.

4. Statics (8–12 questions)

Statics carries 8 to 12 of the 110 questions on the FE Civil exam. It is also foundational for Mechanics of Materials and Structural Engineering, making it doubly important.

What to Expect in 4. Statics

Questions test your ability to analyze forces acting on bodies in equilibrium. You will solve for reaction forces, internal forces, moments, and centroids. Free body diagrams are your best friend in this section.

4. Statics: Key Concepts

• Resultants and equivalent force systems: Force components, moments, couples, and distributed loads
• Equilibrium of rigid bodies: Free-body diagrams and the equations of equilibrium
• Frames and trusses: Method of joints, method of sections, and multi-force members
• Centroids and area moments of inertia: Composite shapes and the parallel-axis theorem
• Static friction: Impending motion, blocks, and wedges

4. Statics Difficulty: Moderate

Statics is conceptually straightforward but requires careful setup. Most errors come from incorrect free body diagrams or sign conventions. Practice drawing FBDs until it becomes second nature.

5. Dynamics (4–6 questions)

Dynamics builds on Statics by introducing motion into the picture. NCEES assigns Dynamics 4 to 6 of the 110 questions, covering kinematics and kinetics of particles and rigid bodies.

What to Expect in 5. Dynamics

Problems typically involve calculating velocity, acceleration, forces on moving objects, work-energy relationships, and impulse-momentum. The FE Reference Handbook contains all necessary formulas.

5. Dynamics: Key Concepts

• Kinematics: Motion of particles and rigid bodies: rectilinear, curvilinear, and plane motion
• Mass moments of inertia: Rotating bodies and the parallel-axis theorem
• Force and acceleration: Newton's second law for particles and rigid bodies
• Work, energy, and power: Work-energy methods for particles and rigid bodies

5. Dynamics Difficulty: Moderate to Difficult

Dynamics is considered one of the more challenging sections because it requires visualizing motion and selecting the correct approach (energy vs. momentum vs. Newton's law). Focus on understanding when to use each method.

6. Mechanics of Materials (7–11 questions)

Mechanics of Materials builds directly on Statics. NCEES assigns Mechanics of Materials 7 to 11 of the 110 questions, covering stress, strain, and deformation in structural members.

What to Expect in 6. Mechanics of Materials

This section tests your ability to calculate stresses and deformations in beams, columns, shafts, and pressure vessels. Shear and moment diagrams are essential skills for this topic.

6. Mechanics of Materials: Key Concepts

• Shear and moment diagrams: Drawing and reading V and M diagrams for beams
• Stresses and strains: Axial, torsion, bending, shear, and thermal; stress-strain diagrams
• Deformations: Axial, torsional, bending (deflection), and thermal
• Combined stresses: Principal stresses, maximum shear stress, and Mohr's circle

6. Mechanics of Materials Difficulty: Moderate to Difficult

Many candidates find this section challenging because it combines Statics concepts with material behavior. Mastering shear and moment diagrams is non-negotiable for success here.

7. Materials (5–8 questions)

The Materials section covers the properties and behavior of engineering materials used in civil construction. NCEES assigns it 5 to 8 of the 110 questions.

What to Expect in 7. Materials

Questions focus on understanding material properties, testing methods, and how different materials behave under various conditions. This section is more conceptual than computational.

7. Materials: Key Concepts

• Mix design: Concrete and asphalt mixes: proportions, water-cement ratio, and mix properties
• Test methods and specifications: Tests for metals, concrete, aggregates, asphalt, and wood
• Physical and mechanical properties: Metals, concrete, aggregates, asphalt, and wood

7. Materials Difficulty: Easy to Moderate

This is a concept-heavy section with fewer calculations. Understanding material behavior and memorizing key property values will help you answer most questions correctly.

8. Fluid Mechanics (6–9 questions)

Fluid Mechanics covers the behavior of fluids at rest and in motion. NCEES assigns Fluid Mechanics 6 to 9 of the 110 questions, and it is the foundation for Water Resources.

What to Expect in 8. Fluid Mechanics

Expect a mix of conceptual and calculation-based questions. Problems typically involve pressure calculations, flow rate analysis, and energy equations for fluid systems.

8. Fluid Mechanics: Key Concepts

• Flow measurement: Pitot tubes, Venturi meters, and orifices
• Fluid properties: Density, specific weight, viscosity, and surface tension
• Fluid statics: Pressure distribution, manometers, forces on submerged surfaces, and buoyancy
• Energy, impulse, and momentum: Bernoulli and energy equations, continuity, and forces on bends and nozzles

8. Fluid Mechanics Difficulty: Moderate

Fluid Mechanics requires understanding when to apply Bernoulli's equation versus the energy equation and how to use the Moody diagram. Practice pipe flow problems extensively.

9. Surveying (6–9 questions)

Surveying covers the measurement and mapping of land and structures. NCEES assigns it 6 to 9 of the 110 questions on measurements, areas, earthwork volumes, coordinate systems, and leveling.

What to Expect in 9. Surveying

Questions range from basic distance and angle measurements to traverse calculations and curve geometry. The formulas are provided in the handbook, but you need to know which ones to use.

9. Surveying: Key Concepts

• Angles, distances, and trigonometry: Bearings, azimuths, and traverse computations
• Area computations: Coordinate method and irregular areas
• Earthwork and volume computations: Average end area and mass diagrams
• Coordinate systems: State plane coordinates and latitude/longitude
• Leveling: Differential leveling, elevations, and percent grades

9. Surveying Difficulty: Easy to Moderate

Surveying is highly formulaic. If you can identify the correct formula from the handbook and plug in values, you can score well. Focus on horizontal and vertical curve problems, as they appear frequently.

10. Water Resources and Environmental Engineering (10–15 questions)

Water Resources and Environmental Engineering builds on Fluid Mechanics. It is one of the three largest areas on the exam: NCEES assigns Water Resources 10 to 15 of the 110 questions, covering hydrology, hydraulics, water and wastewater systems, and treatment.

What to Expect in 10. Water Resources and Environmental Engineering

This section combines hydraulic engineering with environmental considerations. Problems involve rainfall-runoff analysis, water and wastewater treatment processes, and hydraulic design.

10. Water Resources and Environmental Engineering: Key Concepts

• Basic hydrology: Infiltration, rainfall, runoff, and watersheds
• Basic hydraulics: Manning equation, Bernoulli theorem, and open-channel flow
• Pumps and water distribution systems: Pump selection, networks, and pressures
• Flood control and stormwater: Dams, routing, spillways, detention, and stormwater quality
• Collection systems: Wastewater and stormwater collection
• Groundwater: Flow, wells, and drawdown
• Water quality, testing, and standards: Ground and surface water, basic water chemistry, and standards for water, wastewater, air, and noise
• Water and wastewater treatment: Biological processes, softening, and drinking water treatment

10. Water Resources and Environmental Engineering Difficulty: Moderate to Difficult

This section covers a broad range of sub-topics, making it one of the more content-heavy areas. The rational method and Manning's equation are among the most frequently tested formulas.

11. Structural Engineering (10–15 questions)

Structural Engineering is one of the three largest areas on the exam, with 10 to 15 of the 110 questions. It directly builds on Statics and Mechanics of Materials.

What to Expect in 11. Structural Engineering

Questions test your ability to analyze and design structural members and systems. You will encounter problems involving beam analysis, load calculations, and basic design concepts for steel and concrete.

11. Structural Engineering: Key Concepts

• Analysis and deflection: Statically determinate beams, columns, trusses, and frames
• Column analysis: Buckling and boundary conditions
• Determinacy and stability: Determinate and elementary indeterminate beams, trusses, and frames
• Loads and load paths: Dead, live, and lateral loads, load combinations, influence lines, moving loads, and tributary areas
• Design of steel components: Beams, columns, tension members, and connections
• Design of reinforced concrete components: Beams and columns

11. Structural Engineering Difficulty: Difficult

Structural Engineering is widely regarded as one of the hardest sections on the FE Civil exam. The combination of analysis and design concepts requires a solid understanding of multiple prerequisite topics.

12. Geotechnical Engineering (10–15 questions)

Geotechnical Engineering covers soil mechanics and foundation design. NCEES assigns it 10 to 15 of the 110 questions, tied with Structural and Water Resources as the largest areas.

What to Expect in 12. Geotechnical Engineering

Problems involve soil classification, effective stress calculations, consolidation settlement, and bearing capacity. Understanding phase relationships is critical for success in this section.

12. Geotechnical Engineering: Key Concepts

• Index properties and phase relations: Soil classification, void ratio, water content, and unit weights
• Laboratory and field tests: What each test measures and how to read the results
• Effective stress: Total stress, pore water pressure, and effective stress
• Retaining structures: Active, passive, and at-rest earth pressure
• Shear strength and bearing capacity: Mohr-Coulomb strength and footing capacity
• Foundation types: Spread footings, deep foundations, wall footings, and mats
• Consolidation and settlement: Consolidation and differential settlement
• Slope stability and soil stabilization: Fills, embankments, cuts, and dams; chemical additives and geosynthetics

12. Geotechnical Engineering Difficulty: Moderate to Difficult

Geotechnical Engineering has many formulas and concepts that are unique to this discipline. Phase relationships appear in nearly every problem, so master them early.

13. Transportation Engineering (9–14 questions)

Transportation Engineering carries 9 to 14 of the 110 questions, covering geometric design, pavements, traffic, and transportation planning.

What to Expect in 13. Transportation Engineering

Questions test your knowledge of highway design, traffic flow theory, intersection analysis, and pavement design. Many problems are formula-based and can be solved directly from the handbook.

13. Transportation Engineering: Key Concepts

• Geometric design: Streets, highways, and intersections: horizontal and vertical curves, sight distance, and superelevation
• Pavement system design: Thickness, subgrade, drainage, and rehabilitation
• Traffic capacity and flow theory: Speed, density, flow, and level of service
• Traffic control devices: Signs, markings, and signals
• Transportation planning: Travel forecast modeling, safety, and trip generation

13. Transportation Engineering Difficulty: Moderate

Transportation Engineering is accessible for most candidates because the formulas are clearly laid out in the handbook. Focus on sight distance calculations and traffic flow relationships, as they are commonly tested.

14. Construction Engineering (8–12 questions)

Construction Engineering rounds out the exam with 8 to 12 of the 110 questions on project administration, scheduling and project controls, estimating, construction methods, and reading engineering drawings.

What to Expect in 14. Construction Engineering

This section tests practical knowledge of how civil engineering projects are planned, scheduled, and executed. Expect questions on critical path method, earthwork, and construction safety.

14. Construction Engineering: Key Concepts

• Project administration: Contract documents, management, procurement, and project delivery methods
• Construction operations and methods: Safety, equipment, productivity analysis, and temporary erosion control
• Project controls: Earned value, scheduling, resource allocation, and activity relationships
• Construction estimating: Quantity takeoffs and cost estimates
• Engineering drawings: Reading and interpreting plans and details

14. Construction Engineering Difficulty: Easy to Moderate

Construction Engineering is one of the more practical sections and tends to be less mathematically intensive. Understanding the critical path method is essential, as CPM problems appear on nearly every exam.

Recommended Study Order

Not all 14 topics should be studied with the same intensity or in random order. A strategic approach can help you maximize your score with the time you have available. Here is our recommended study sequence:

1. Mathematics and Statistics: Start here because math skills are used in virtually every other section. Solidify your foundation first.
2. Statics: Build your equilibrium and free body diagram skills, which are prerequisites for Mechanics of Materials and Structural Engineering.
3. Mechanics of Materials: Study this immediately after Statics while the concepts are fresh. Stress, strain, and beam analysis flow naturally from equilibrium.
4. Structural Engineering: Complete the structural trio by tackling design concepts that build on Statics and Mechanics of Materials.
5. Fluid Mechanics: Learn the fundamentals of fluid behavior before moving to Water Resources, which applies these concepts to civil systems.
6. Water Resources and Environmental Engineering: Apply Fluid Mechanics to hydrology, hydraulics, and water treatment.
7. Geotechnical Engineering: This topic is relatively self-contained. Focus on phase relationships and effective stress.
8. Transportation Engineering: Another self-contained topic. The formulas are straightforward once you understand the concepts.
9. Engineering Economics: Highly formulaic and easy to pick up quickly. A great confidence booster mid-study.
10. Dynamics: Study after Statics, as it extends equilibrium concepts to moving bodies.
11. Materials: Concept-heavy and easier to study. Can be reviewed alongside Mechanics of Materials.
12. Surveying: Formula-driven and self-contained. Focus on horizontal and vertical curves.
13. Construction Engineering: Practical knowledge that can be learned relatively quickly. Focus on CPM scheduling.
14. Ethics and Professional Practice: Save this for last. Read through the NCEES Model Rules once or twice and use common sense on exam day.

Study Strategy at a Glance

Use these four pillars to build an effective, well-rounded study plan that addresses both content mastery and exam-taking skills:

Conclusion

The FE Civil exam covers a wide range of engineering disciplines, but understanding the structure and weight of each topic transforms what seems like an overwhelming amount of material into a manageable study plan. The 14 subject areas each play a specific role, and knowing what to expect from each one gives you a significant strategic advantage.

Remember: you do not need to master every single concept to pass. The FE exam is about demonstrating competency across the breadth of civil engineering fundamentals. Focus on the largest areas first, become fluent with the FE Reference Handbook, practice under timed conditions, and approach the exam with confidence.

Your path to becoming an Engineer Intern starts with understanding exactly what is on the test. Now that you know all 14 topics inside and out, it is time to start practicing.