Bac F4 Bénin Practice Questions - Baccalauréat Série F4 (Génie Civil) - Bénin Exam - Bac F4 Bénin Practice Questions - Baccalauréat Série F4 (Génie Civil)

Question 1

In beam mechanics (RDM), what is the fundamental differential relationship connecting the distributed load q(x), the shear force V(x), and the bending moment M(x) along the beam axis x (using standard civil engineering sign conventions)?

dV/dx = -q(x) and dM/dx = V(x) dV/dx = q(x) and dM/dx = -V(x) dV/dx = -M(x) and dM/dx = q(x) dV/dx = d²M/dx² = -q(x) / E

Correct Answer:

dV/dx = -q(x) and dM/dx = V(x)

Question 2

What is the second moment of area (moment quadratique / moment of inertia I_Gz) of a solid rectangular beam cross-section of width b and total height h about its horizontal centroidal axis Gz?

I_Gz = b · h³ / 12 I_Gz = b³ · h / 12 I_Gz = b · h² / 6 I_Gz = b · h³ / 3

Correct Answer:

I_Gz = b · h³ / 12

Question 3

A simply supported beam with a span of L = 6.0 m carries a single concentrated point load P = 12.0 kN at mid-span. What is the maximum bending moment M_max in the beam?

18.0 kN·m 36.0 kN·m 72.0 kN·m 9.0 kN·m

Correct Answer:

18.0 kN·m

Question 4

A simply supported beam of span L = 8.0 m carries a uniformly distributed load q = 5.0 kN/m over its entire length. What are the vertical support reaction R_A and the maximum bending moment M_max?

R_A = 20.0 kN and M_max = 40.0 kN·m R_A = 40.0 kN and M_max = 80.0 kN·m R_A = 20.0 kN and M_max = 80.0 kN·m R_A = 40.0 kN and M_max = 40.0 kN·m

Correct Answer:

R_A = 20.0 kN and M_max = 40.0 kN·m

Question 5

A cantilever beam (poutre console) of length L = 3.0 m is clamped at point A and free at point B. A downward concentrated load F = 10.0 kN acts at the free end B. What are the magnitude of the clamping reaction moment M_A and the shear force V along the beam?

M_A = 30.0 kN·m (tension on top face) and V = 10.0 kN constant M_A = 15.0 kN·m and V = 5.0 kN constant M_A = 30.0 kN·m and V = 0 kN M_A = 90.0 kN·m and V = 10.0 kN

Correct Answer:

M_A = 30.0 kN·m (tension on top face) and V = 10.0 kN constant

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Prepare with the Bac F4 Bénin Practice Questions - Baccalauréat Série F4 (Génie Civil) - Bénin Exam practice quiz. This question bank includes 100 questions covering concrete, beam, moment, maximum, and reinforced. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Bac F4 Bénin Practice Questions - Baccalauréat Série F4 (Génie Civil) - Bénin Exam

This practice set contains 100 questions from the matching question bank and focuses on concrete, beam, moment, maximum, and reinforced. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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Bac F4 Bénin Practice Questions - Baccalauréat Série F4 (Génie Civil) - Bénin Exam

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