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 ratio of voids to solids in soil is called
A) Porosity
B) Void ratio
C) Degree of saturation
D) Air content
✅ Correct Answer: B
Explanation: Void ratio is the volume of voids divided by volume of solids in soil.
Q: The water that occupies all the pores of soil is called
A) Hygroscopic water
B) Capillary water
C) Gravitational water
D) Saturation water
✅ Correct Answer: D
Explanation: Saturation water fills all the pore spaces, representing full saturation.
Q: The standard size of a modular brick as per Indian Standard is
A) 20x10x10 cm
B) 23x11x7.5 cm
C) 22x10x10 cm
D) 19x9x9 cm
✅ Correct Answer: D
Explanation: IS 1077 defines modular bricks as 190x90x90 mm.
Q: The characteristic strength of concrete is taken at
A) 28 days
B) 3 days
C) 7 days
D) 14 days
✅ Correct Answer: A
Explanation: Characteristic compressive strength is generally taken after 28 days of curing.
Q: The term “bleeding” in concrete refers to
A) Aggregate cracking
B) Separation of water
C) Steel rusting
D) Color change
✅ Correct Answer: B
Explanation: Bleeding is the upward movement of water in freshly placed concrete.