Civil Engineering MCQs
Civil Engineering MCQs are vital for students, graduates, and professionals preparing for government jobs and engineering tests. This category includes questions on structural analysis, concrete technology, geotechnical engineering, construction materials, fluid mechanics, transportation engineering, and surveying. The MCQs are designed in alignment with the syllabus of exams conducted by PPSC, FPSC, NTS, and engineering universities. Each question aims to strengthen your theoretical knowledge and practical understanding. By practicing these MCQs, candidates can boost their confidence and ensure thorough preparation for civil engineering exams and interviews.
Q: The factor of safety for steel structures typically ranges from
A) 3 to 4
B) 2 to 3
C) 1.5 to 2
D) 1 to 1.2
✅ Correct Answer: C
Explanation: Steel designs usually apply a factor of safety around 1.5 to 2.
Q: The material used in dam core to prevent seepage is
A) Clay
B) Gravel
C) Sand
D) Concrete
✅ Correct Answer: A
Explanation: Impervious clay prevents water from seeping through dam structures.
Q: The minimum cover for main reinforcement in an RCC footing is
A) 25 mm
B) 50 mm
C) 20 mm
D) 75 mm
✅ Correct Answer: B
Explanation: A cover of 50 mm protects the steel reinforcement from soil moisture and corrosion.
Q: The type of foundation used for bridges over rivers
A) Pile
B) Shallow
C) Strip
D) Raft
✅ Correct Answer: A
Explanation: Pile foundations transfer loads to deeper, stable soil layers or rock in water-logged areas.
Q: When load is applied within the middle third of a retaining wall base, the pressure is
A) Non-uniform
B) Uniform
C) Negative
D) Zero
✅ Correct Answer: B
Explanation: Uniform pressure distribution occurs when the load is within the middle third.
Q: The common method for determining the bearing capacity of soil
A) Direct shear test
B) Standard penetration test
C) Sieve analysis
D) Plate load test
✅ Correct Answer: D
Explanation: Plate load test directly measures soil's ability to support structural loads.
Q: Minimum thickness of slab as per IS code for residential buildings
A) 75 mm
B) 150 mm
C) 100 mm
D) 125 mm
✅ Correct Answer: C
Explanation: A 100 mm thick RCC slab is commonly recommended for normal residential use.
Q: A structure subjected to axial load only
A) Slab
B) Column
C) Beam
D) Retaining wall
✅ Correct Answer: B
Explanation: Columns primarily resist axial loads vertically applied from beams and slabs.
Q: The flow in a circular sewer running half full is considered as
A) Critical flow
B) Full flow
C) Uniform flow
D) Partial flow
✅ Correct Answer: B
Explanation: A circular sewer is most efficient when flowing half full, resembling full flow conditions.
Q: The consistency of freshly mixed concrete is tested by
A) Compression machine
B) Le Chatelier apparatus
C) Core cutter
D) Slump cone
✅ Correct Answer: D
Explanation: Slump cone test determines the consistency and workability of concrete on site.