A. wake
B. drag
C. lift
D. boundary layer
✅ 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.
342. weight of water, the hydraulic mean depth of the sewer and the bed slope w is the unit of the sewer, then the tractive force exerted by flowing water, is________________________?
A. w r S S
B. w r1/2
C. w r S
D. w r2/3
✅ The correct answer is option A.
343. The non-clog pump which permits solid matter to pass out with the liquid sewage, is________________?
A. Centrifugal pump
B. Reciprocating pump
C. Pneumatic ejector
D. None of these
✅ The correct answer is option A.
344. True one-dimensional flow occurs when___________________?
A. the direction and magnitude of the veiocity at all points are identical
B. the velocity of successive fluid par-ticles, at any point, is the same at suc-cessive periods of time
C. the magnitude and direction of the velocity do not change from point to point in the fluid
D. the fluid particles move in plane or parallel planes and the streamline pat-terns are identical in each plane
✅ The correct answer is option A.
345. The surface tension of mercury at normal temperature compared to that of water is____________________?
A. more
B. less
C. same
D. more or less depending on size of glass tube
✅ The correct answer is option A.
346. Assertion A.: The determination of pH value of sewerage is important. Reason (R): The efficiency of certain treatment methods depends upon the availability of pH value________________?
A. Both A and R are true and R is the correct explanation of A
B. Both A and R are true but R is not a correct explanation of A
C. A is true but R is false
D. A is false but R is true
✅ The correct answer is option A.
347. The fluid forces considered in the Navier Stokes equation are__________________?
A. gravity, pressure and viscous
B. gravity, pressure and turbulent
C. pressure, viscous and turbulent
D. gravity, viscous and turbulent
✅ The correct answer is option A.
348. 4-61. Kinematic viscosity is equal to________________?
A. dynamic viscosity/density
B. dynamicviscosity x density
C. density/dynamic viscosity
D. 1/dynamicviscosity x density
✅ The correct answer is option A.
349. What is the basic accounting equation ?
A. Assets = liability + owner’s equity
B. Liability = assets + owners’ equity
C. Owner’s equity = assets + liability
D. Owner’s equity = liability – assets
✅ The correct answer is option A.
350. Free surface of a liquid tends to contract to the smallest possible area due to force of _________________?
A. surface tension
B. viscosity
C. friction
D. cohesion
✅ The correct answer is option A.