Civil Engineering MCQs

Civil Engineering MCQs cover structural analysis, concrete technology, geotechnical, transportation, fluid mechanics, materials, and surveying, helping PPSC, FPSC, NTS candidates and graduates strengthen theory, apply concepts, and excel in engineering exams, interviews, and professional assessments.

Q: A bar subjected to axial tension experiences
A) Lateral contraction
B) Longitudinal compression
C) Lateral expansion
D) Shear stress only
โœ… Correct Answer: A
Explanation: Tension causes the bar to elongate and reduce in lateral dimensions.
Q: Slenderness ratio is defined for
A) Beams
B) Footings
C) Columns
D) Slabs
โœ… Correct Answer: C
Explanation: It is used to assess column buckling potential and stability.
Q: Major factor in selecting foundation type
A) Soil condition
B) Paint type
C) Column height
D) Roof load
โœ… Correct Answer: A
Explanation: Soil bearing capacity and type dictate the foundation design.
Q: Fly ash is used in concrete to
A) Replace fine aggregate
B) Improve workability
C) Increase heat
D) Reduce color
โœ… Correct Answer: B
Explanation: Fly ash enhances workability and long-term durability of concrete.
Q: A structure with fixed ends and subjected to uniform load shows maximum moment at
A) Mid-span
B) Support
C) Ends
D) Quarter span
โœ… Correct Answer: A
Explanation: The central span experiences the highest bending moment.