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.

📘 Airport Engineering MCQs

📘 Applied Mechanics and Graphic Statics MCQs

📘 Building Materials and Construction MCQs

📘 Civil Engineering Mcqs MCQs

📘 Construction Planning and Management MCQs

📘 Design of Concrete Structures MCQs

📘 Design of Masonry Structures MCQs

📘 Design of Steel Structures MCQs

📘 Dock and Harbor Engineering MCQs

📘 Elements of Remote Sensing MCQs

📘 Engineering Economy MCQs

📘 Engineering Mechanics MCQs

📘 Environmental Engineering MCQs

📘 Estimating and Costing MCQs

📘 Fluid Mechanics MCQs

📘 Highway Engineering MCQs

📘 Irrigation, Water Resources Engineering and Hydrology MCQs

📘 Railway Engineering MCQs

📘 RCC Structures Design MCQs

📘 Soil Mechanics and Foundation Engineering MCQs

📘 Strength of Materials MCQs

📘 Structural Analysis MCQs

📘 Structural Design Specifications MCQs

📘 Surveying MCQs

📘 Theory of Structures MCQs

📘 Tunnel Engineering MCQs

📘 Waste Water Engineering MCQs

📘 Water Supply Engineering MCQs

671. Hydraulic mean radius is_______________?

A. Mean radius of sewer

B. Difference in heads between two points in circular pipes

C. Mean of radii in a pipe line of varying cross -sections

D. Cross-sectional area/wetted perimeter

✅ The correct answer is option D.

672. Sewer pipes are designed for maximum discharge with 25% to 33% vacant cross-sectional area for__________________?

A. Unexpected large scale infiltration of stream water

B. Unexpected increase in the population

C. Under estimates of maximum and average flows

D. All of the above

✅ The correct answer is option D.

673. Gradually varied flow is____________________?

A. steady uniform

B. non-steady non-uniform

C. non-steady uniform

D. steady non-uniform

✅ The correct answer is option D.

674. In very first stage of decomposition of the organic matter in sewage________________?

A. Nitrites are formed

B. Nitrates are formed

C. Carbondioxide is formed

D. Ammonia is formed

✅ The correct answer is option D.

675. Practical fluids____________________?

A. are viscous

B. possess surface tension

C. are compressible

D. possess all the above properties

✅ The correct answer is option D.

676. Kjeldahl nitrogen is a mixture of___________________?

A. Ammonia and nitrogen

B. Nitrogen and organic nitrogen

C. Organic nitrogen and ammonia

D. All the above

✅ The correct answer is option D.

677. An ideal flow of any fluid must fulfill the following______________?

A. Newton’s law of motion

B. Newton’s law of viscosity

C. Pascal’ law

D. Continuity equation

✅ The correct answer is option D.

678. 1000 kg of sewage contains________________?

A. 0.112 kg in suspension

B. 0.112 kg in solution

C. 0.225 kg in solution

D. Both A. and C. of above

✅ The correct answer is option D.

679. In detritus tanks______________________?

A. Flow velocity is kept 0.09 m/sec

B. Detention period is kept 3 to 4 minutes

C. Organic and inorganic materials are separated

D. All the above

✅ The correct answer is option D.

680. The settlement of a particle in sedimentation tank, is affected by_____________________?

A. Velocity of flow

B. Viscosity of water

C. Size and shape of solid

D. All the above

✅ The correct answer is option D.