100+ Free Cameroon Baccalauréat Série F4 Practice Questions

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2026 Statistics

Key Facts: Cameroon Baccalauréat Série F4 Exam

10.00 / 20

Minimum Pass Average

Office du Baccalauréat du Cameroun (OBC)

21,000 FCFA

Total Registration Cost (13,000 + 8,000)

OBC / MINESEC Circular, session 2026

29 Coefficients

Combined weight of the written papers

OBC Série F4 timetable, session 2026

The Cameroon Baccalauréat Série F4 is the national technical diploma in civil engineering administered by OBC, requiring a general average ≥ 10/20 across structural mechanics, technical drawing, building technology, surveying, and STEM subjects.

Sample Cameroon Baccalauréat Série F4 Practice Questions

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1In limit state design according to French/Cameroonian reinforced concrete standard BAEL 91 (Béton Armé aux États Limites), what is the combination of actions at the Ultimate Limit State (ELU - État Limite Ultime) under fundamental combinations for permanent loads ($G$) and variable loads ($Q$)?

A.1.35 G + 1.5 Q

B.G + Q

C.1.5 G + 1.35 Q

D.1.0 G + 1.0 Q

Explanation: Under BAEL 91 / Eurocode 2 fundamental combinations: The design load at the Ultimate Limit State (ELU) is calculated as $P_u = 1.35 G_{max} + G_{min} + 1.5 Q_1 + \sum 1.3 \psi_{0i} Q_i$, which simplifies to $1.35 G + 1.5 Q$ for a single variable action.

2At the Serviceability Limit State (ELS - État Limite de Service), what combination of permanent dead load ($G$) and live load ($Q$) is used for cracking and deflection checks under BAEL 91?

A.G + Q (rare combination / combinaison rare)

B.1.35 G + 1.5 Q

C.0.85 G + 1.0 Q

D.1.5 G + 0.9 Q

Explanation: Under BAEL 91, the rare serviceability combination for cracking control (état limite d'ouverture des fissures) and deflection verification (déformation) is $P_{ser} = G + Q$, with partial safety factors equal to unity ($\gamma_G = 1.0, \gamma_Q = 1.0$).

3What is the design compressive strength of concrete $f_{bu}$ at the Ultimate Limit State (ELU) under BAEL 91 for characteristic 28-day cylinder compressive strength $f_{c28} = 25\text{ MPa}$ under persistent actions (safety factor $\gamma_b = 1.5$ and coefficient $\theta = 1.0$)?

A.14.17 MPa (f_bu = 0.85 · f_c28 / (θ · γ_b))

B.16.67 MPa

C.25.00 MPa

D.18.75 MPa

Explanation: Under BAEL 91, the design compressive strength of concrete is $f_{bu} = \frac{0.85 \cdot f_{c28}}{\theta \cdot \gamma_b}$. For $f_{c28} = 25\text{ MPa}$, $\gamma_b = 1.5$, and $\theta = 1.0$ (duration $> 24\text{ h}$): $f_{bu} = \frac{0.85 \times 25}{1.0 \times 1.5} = \frac{21.25}{1.5} \approx 14.167\text{ MPa} \approx 14.17\text{ MPa}$.

4For FeE500 high-yield reinforcing steel ($f_e = 500\text{ MPa}$), what is the design tensile yield strength $f_{su}$ at the Ultimate Limit State under persistent actions (steel safety factor $\gamma_s = 1.15$)?

A.434.8 MPa (~435 MPa, f_su = f_e / γ_s)

B.500.0 MPa

C.370.4 MPa

D.575.0 MPa

Explanation: The design tensile strength of reinforcing rebar is $f_{su} = \frac{f_e}{\gamma_s} = \frac{500\text{ MPa}}{1.15} \approx 434.78\text{ MPa} \approx 435\text{ MPa}$.

5In a simply supported rectangular reinforced concrete beam subjected to a positive bending moment ($M_u > 0$), where are the primary longitudinal tensile steel reinforcement bars placed?

A.At the bottom of the beam cross-section (soffit / zone tendue inférieure)

B.At the top of the beam cross-section

C.Exactly along the neutral axis at mid-depth

D.Exclusively inside the vertical stirrup hooks

Explanation: A positive bending moment ($M_u > 0$) causes compression in the top fibers and tension in the bottom fibers of the beam. Because concrete has very low tensile strength ($f_{t28} \approx 2.1\text{ MPa}$), longitudinal steel reinforcement must be placed in the bottom tension zone to resist the tensile forces.

6A reinforced concrete cantilever balcony beam of span $L = 2.0\text{ m}$ is fixed at one end and free at the other. Where must the primary tensile rebar be positioned?

A.At the top of the beam cross-section across the support (nappe supérieure)

B.At the bottom of the beam cross-section

C.Uniformly distributed along the vertical side faces

D.Only at the free outer tip of the cantilever

Explanation: Under downward gravity loads, a cantilever beam deflects downward, creating negative bending moment ($M_u < 0$) with extreme tension in the top fibers and compression in the bottom fibers. Therefore, main tensile rebar must be anchored near the top surface.

7In a rectangular reinforced concrete beam of width $b = 20\text{ cm}$ and effective depth $d = 45\text{ cm}$, the acting ultimate shear force is $V_u = 90\text{ kN}$. What is the nominal shear stress $\tau_u$ according to BAEL 91?

A.1.00 MPa (τ_u = V_u / (b · d))

B.0.50 MPa

C.2.00 MPa

D.4.50 MPa

Explanation: Under BAEL 91 rules, the nominal shear stress in a rectangular beam is $\tau_u = \frac{V_u}{b \cdot d}$. Substituting: $V_u = 90000\text{ N}$, $b = 200\text{ mm}$, $d = 450\text{ mm}$. $\tau_u = \frac{90000\text{ N}}{200\text{ mm} \times 450\text{ mm}} = \frac{90000}{90000} = 1.00\text{ N/mm}^2 = 1.00\text{ MPa}$.

8What is the primary technical function of transverse stirrups and ties (cadres, étriers et épingles) in a reinforced concrete beam?

A.To resist diagonal tensile shear stresses (bielle-tirant mechanism) and hold longitudinal rebar securely in place during concreting

B.To increase the acoustic insulation rating of the floor slab

C.To reduce the curing time of Portland cement from 28 days to 24 hours

D.To serve as electrical grounding conductors

Explanation: Shear forces create diagonal principal tensile stresses inclined at $\sim 45^\circ$ across the web. Vertical or inclined transverse stirrups (étriers/cadres) bridge across these diagonal cracks, preventing brittle shear failure (rupture par tranchant) while tying longitudinal compression and tension rebars into a rigid cage.

9A reinforced concrete column of square cross-section $a = 30\text{ cm}$ and unbraced height $l_0 = 3.0\text{ m}$ is pinned at both ends ($l_f = 1.0 \cdot l_0 = 3.0\text{ m}$). What is its slenderness ratio $\lambda$ (élancement)?

A.34.6 (λ = l_f / i = 3.0 / (a / √12))

B.10.0

C.17.3

D.69.2

Explanation: For a square section of side $a$, the radius of gyration is $i = \frac{a}{\sqrt{12}} = \frac{0.30}{3.464} \approx 0.0866\text{ m}$. The slenderness ratio is $\lambda = \frac{l_f}{i} = \frac{3.0\text{ m}}{0.0866\text{ m}} = 3.0 \times \frac{\sqrt{12}}{0.30} = 10 \times \sqrt{12} = 10 \times 3.4641 = 34.64 \approx 34.6$. (Since $\lambda < 50$, standard simplified compression rules apply).

10In a simply supported beam of span $L = 6.0\text{ m}$ carrying a uniformly distributed ultimate load $q_u = 30\text{ kN/m}$, what is the maximum bending moment $M_u$ at midspan?

A.135 kN·m (M_u = q_u · L² / 8)

B.180 kN·m

C.270 kN·m

D.90 kN·m

Explanation: For a simply supported beam under uniform load $q_u$: $M_u = \frac{q_u \cdot L^2}{8} = \frac{30\text{ kN/m} \times 6.0^2\text{ m}^2}{8} = \frac{30 \times 36}{8} = \frac{1080}{8} = 135\text{ kN}\cdot\text{m}$.

About the Cameroon Baccalauréat Série F4 Exam

The Cameroon Baccalauréat Technique Série F4 (Génie Civil) is the national technical secondary school leaving diploma for students specializing in civil engineering, building construction (Bâtiment - BA), design office techniques (Bureau d'études - BE), and public works (Travaux Publics - TP). Administered by the Office du Baccalauréat du Cameroun (OBC) under the Ministry of Secondary Education (MINESEC), Série F4 prepares graduates for technical careers and selective entrance competitions into top engineering schools (ENSTP Yaoundé/Buea, ENSET Douala, ENSPY Polytechnique, IUT). This 100-question practice bank covers structural mechanics (RDM), reinforced concrete design, building technology, surveying, and quantity takeoff estimation. Format note: the official examination is written and practical in French; this bank is an English-language MCQ study adaptation designed to build technical problem-solving skills.

Assessment

Série F4 is examined in three options (F4/BA Bâtiment, F4/BE Bureau d'Études, F4/TP Travaux Publics) sharing the same written papers. Per the OBC session 2026 timetable, the written papers total 29 coefficients: Dessin (4h, coef 3), Exploitation (4h, coef 3), Mécanique Appliquée (3h, coef 3), Mathématiques (3h, coef 3), Sciences Physiques (3h, coef 3), Français/Philosophie (3h, coef 2), Anglais (2h, coef 2), Éducation à la Citoyenneté et à la Morale (2h, coef 2), Informatique écrite (1h30, coef 2), EPS écrite (2h, coef 2), Métré (2h, coef 1), Procédés de Construction (2h, coef 1), Règlementation (1h, coef 1) and Histoire ou Géographie (2h, coef 1). The compulsory practicals differ by option: F4/BA, T.P. de Topographie (2–4h, coef 6) and Réalisation d'un ouvrage (6–8h, coef 8); F4/BE, Études d'un projet (6–8h, coef 7) and Confection d'une maquette (4h, coef 8); F4/TP, Essais en laboratoire, Travaux de Topographie and Réalisation d'un ouvrage (coef 5 each).

Time Limit

Written papers spread over five days (21, 22, 25, 26 and 28 May in the 2026 session), ranging from 1h to 4h each, plus option-specific practicals of 2h to 8h

Passing Score

Moyenne générale of at least 10.00/20 across all 33 coefficient-weighted papers

Exam Fee

21,000 FCFA (Office du Baccalauréat du Cameroun (OBC))

Cameroon Baccalauréat Série F4 Exam Content Outline

25%

Mécanique Appliquée, RDM & Calcul des Structures en Béton Armé

Static equilibrium of coplanar forces and trusses, beam reaction forces, shear force V(x) and bending moment M(x) diagrams, centroid and second moment of area (I/v), bending/shear stress, and reinforced concrete ultimate limit state (ELU) flexural design (BAEL 91).

25%

Technologie de Construction & Matériaux du Génie Civil

Building foundations (pad footings, strip footings, piles), retaining walls, masonry and brickwork, concrete constituent proportioning (Dreux-Gorisse method), cement grades (CEM I, CEM II), slump tests, structural steel sections, and timber joints.

20%

Métré, Étude de Prix & Organisation de Chantier

Quantity surveying, takeoff sheets, volume calculations for earthworks and reinforced concrete, unit price sub-details (DSUP), dry cost (déboursé sec), site overheads (frais de chantier), coefficient de vente (K), and Gantt chart scheduling.

15%

Topographie, Dessin Technique & Plans d'Exécution

Direct differential leveling, elevation calculation (instrument height and rise-and-fall methods), closed-loop error distribution, theodolite horizontal/vertical angles, architectural floor plans, sections, elevations, and rebar reinforcement detailing.

15%

Mathématiques Appliquées & Sciences Physiques du Bâtiment

Applied differential calculus, trigonometry, vector geometry, hydrostatic pressure on submerged surfaces, fluid flow in pipes (Bernoulli equation), building thermal transmission coefficients (U-value), and soil mechanics (bearing capacity, Atterberg limits).

How to Pass the Cameroon Baccalauréat Série F4 Exam

What You Need to Know

Passing score: Moyenne générale of at least 10.00/20 across all 33 coefficient-weighted papers
Assessment: Série F4 is examined in three options (F4/BA Bâtiment, F4/BE Bureau d'Études, F4/TP Travaux Publics) sharing the same written papers. Per the OBC session 2026 timetable, the written papers total 29 coefficients: Dessin (4h, coef 3), Exploitation (4h, coef 3), Mécanique Appliquée (3h, coef 3), Mathématiques (3h, coef 3), Sciences Physiques (3h, coef 3), Français/Philosophie (3h, coef 2), Anglais (2h, coef 2), Éducation à la Citoyenneté et à la Morale (2h, coef 2), Informatique écrite (1h30, coef 2), EPS écrite (2h, coef 2), Métré (2h, coef 1), Procédés de Construction (2h, coef 1), Règlementation (1h, coef 1) and Histoire ou Géographie (2h, coef 1). The compulsory practicals differ by option: F4/BA, T.P. de Topographie (2–4h, coef 6) and Réalisation d'un ouvrage (6–8h, coef 8); F4/BE, Études d'un projet (6–8h, coef 7) and Confection d'une maquette (4h, coef 8); F4/TP, Essais en laboratoire, Travaux de Topographie and Réalisation d'un ouvrage (coef 5 each).
Time limit: Written papers spread over five days (21, 22, 25, 26 and 28 May in the 2026 session), ranging from 1h to 4h each, plus option-specific practicals of 2h to 8h
Exam fee: 21,000 FCFA

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Frequently Asked Questions

What is the Cameroon Baccalauréat Série F4?

The Baccalauréat Série F4 is the official Cameroonian technical high school leaving credential specializing in Génie Civil (Civil Engineering and Building Construction). Administered by the OBC under MINESEC, it qualifies graduates for higher civil engineering faculties (ENSTP, ENSET, IUT, ENSPY) and construction industry positions.

What subjects carry the highest weighting in Baccalauréat F4?

The written papers total 29 coefficients, with Dessin, Exploitation, Mécanique Appliquée, Mathématiques and Sciences Physiques each carrying coefficient 3. The heaviest single components are the option practicals: Réalisation d'un ouvrage (coefficient 8) and T.P. de Topographie (coefficient 6) for F4/BA, or Confection d'une maquette (coefficient 8) and Études d'un projet (coefficient 7) for F4/BE.

What is the passing requirement for the Baccalauréat F4?

Candidates must achieve an overall weighted average (Moyenne générale) of at least 10.00/20 across all written, technical, and site practical examinations. Candidates who score between 8.00 and 9.99/20 may be considered for deliberation based on their school academic record (livret scolaire).

How does this English-language MCQ practice bank help prepare for the French Bac F4?

This practice bank translates and adapts the core civil engineering formulas, structural bending moment equations, reinforced concrete section formulas (BAEL 91), unit price breakdowns (DSUP), and surveying error closures into structured multiple-choice problems, reinforcing the technical and analytical skills tested on the official OBC examination.

100+ Free Cameroon Baccalauréat Série F4 Practice Questions

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