A. decreases
B. increases
C. remains unchanged
D. first increases and then decreases
✅ The correct answer is option A.
Civil Engineering
Prepare with the latest Civil Engineering MCQs with answers and explanations for exams, interviews, and job tests. Our question bank covers key topics including surveying, building materials, structural engineering, geotechnical engineering, fluid mechanics, hydraulics, transportation engineering, environmental engineering, and construction management. These Civil Engineering multiple-choice questions are designed for students, competitive exam aspirants, and professionals preparing for NTS, PPSC, FPSC, PEC exams, university entry tests, and recruitment assessments. Strengthen your knowledge and problem-solving skills with our updated and comprehensive Civil Engineering MCQs.
2312. When the plastic limit of a soil is greater than the liquid limit, then the plasticity index is reported as_____________?
A. negative
B. zero
C. non-plastic (NP)
D. 1
✅ The correct answer is option B.
2313. The flownet for an earthen dam with 30 m water depth consists of 25 potential drops and 5 flow channels. The coefficient of permeability of dam material is 0.03 mm/sec. The discharge per meter length of dam is________________?
A. 0.00018 nrVsec
B. 0.0045 m3/sec
C. 0.18m3/sec
D. 0.1125m3/sec
✅ The correct answer is option A.
2314. Coefficient of compressibility is_______________?
A. constant for any type of soil
B. different for different types of soils and also different for a soil under different states of consolidation
C. different for different types of soils but same for a soil under different states of consolidation
D. independent of type of soil but depends on the stress history of soil
✅ The correct answer is option B.
2315. Which one of the following clays behaves like a dense sand ?
A. over-consolidated ciay with a high over-consolidation ratio
B. over-consolidated clay with a low over-consolidation ratio
C. normally consolidated clay
D. under-consolidated clay
✅ The correct answer is option A.
2316. During the first stage of triaxial test when the cell pressure is increased from 0.10 N/mm2 to 0.26 N/mm2, the pore water pressure increases from 0.07 N/mm2 to 0.15 “N/mm2. Skempton’s pore pressure parameter B is___________________?
A. 0.5
B. -0.5
C. 2.0
D. – 2.0
✅ The correct answer is option A.
2317. Due to a rise in temperature, the viscosity and the unit weight of the percolating fluid are reduced to 60% and 90% respectively. If other things remain constant, the coefficient of permeability__________________?
A. increases by 25%
B. increases by 50%
C. increases by 33.3%
D. decreases by 33.3%
✅ The correct answer is option B.
2318. If the plasticity index of a soil mass is zero, the soil is______________?
A. sand
B. silt
C. clay
D. clayey silt
✅ The correct answer is option A.
2319. The coefficient of active earth pressure for a loose sand having an angle of internal friction of 30° is___________________?
A. 1/3
B. 3
C. 1
D. 1/2
✅ The correct answer is option A.
2320. If the water content of a fully saturated soil mass is 100%, then the voids ratio of the sample is________________?
A. less than specific gravity of soil
B. equal to specific gravity of soil
C. greater than specific gravity of soil
D. independent of specific gravity of soil
✅ The correct answer is option B.