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: The minimum slope for a flat roof to drain rainwater efficiently
A) 1 in 50
B) 1 in 30
C) 1 in 10
D) 1 in 100
✅ Correct Answer: A
Explanation: A slope of 1 in 50 is generally adequate for proper drainage on flat roofs.
Q: Compaction factor test is used to determine
A) Workability
B) Water content
C) Dry density
D) Air content
✅ Correct Answer: A
Explanation: It measures concrete workability, especially for mixes with low slump.
Q: The most durable type of cement for marine structures
A) Low heat cement
B) Rapid hardening cement
C) Ordinary Portland cement
D) Sulphate resisting cement
✅ Correct Answer: D
Explanation: Sulphate resisting cement withstands sulfate attacks in marine environments.
Q: The horizontal distance between two points of a truss is called
A) Rise
B) Span
C) Pitch
D) Length
✅ Correct Answer: B
Explanation: Span is the clear horizontal distance between two supports.
Q: The process of increasing the bearing capacity of soil by mechanical means
A) Compaction
B) Excavation
C) Stabilization
D) Grouting
✅ Correct Answer: A
Explanation: Compaction reduces voids and enhances soil’s load-bearing capacity.