581. To maintain aerobic biological activity, the moisture content of the compost mass should be about_________________?
A. 45 %
B. 50 %
C. 55 %
D. 60 %
✅ The correct answer is option C.
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.
582. For non-scouring velocity 5 m/sec, the type of sewers generally preferred to, is____________________?
A. Cast iron sewers
B. Cement concrete sewers
C. Glazed bricks sewers
D. Stone ware sewers
✅ The correct answer is option C.
583. Rotameter is a device used to measure____________________?
A. absolute pressure
B. velocity of fluid
C. flow
D. rotation
✅ The correct answer is option C.
584. Bernoulli equation deals with the law of conservation of____________________?
A. mass
B. momentum
C. energy
D. work
✅ The correct answer is option C.
585. Uniform flow occurs when___________________?
A. the direction and magnitude of the velocity at all points are identical
B. the velocity of successive fluid pai-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 plsr.e
✅ The correct answer is option C.
586. Self-cleansing velocity is__________________?
A. Velocity at dry weather flow
B. Velocity of water at flushing
C. Velocity at which no accumulation remains in the drains
D. Velocity of water in a pressure filter
✅ The correct answer is option C.
587. The liquid wastes from kitchens, bath rooms and wash basins, is not called________________?
A. Liquid waste
B. Sullage
C. Sewage
D. None of these
✅ The correct answer is option C.
588. For providing an Indian type W.C., the R.C.C. slabs in the toilet portion__________________?
A. Should be sunk by 20 cm
B. Should be kept 20 cm above the adjacent portion
C. Should be sunk by 50 cm
D. Need not be sunk
✅ The correct answer is option C.
589. The maximum diameter of sewers adopted in the designs is_______________?
A. 1.0 m
B. 2.0 m
C. 3.0 m
D. 4.0 m
✅ The correct answer is option C.
590. In an isothermal atmosphere, the pressure__________________?
A. decreases linearly with elevation
B. remains constant
C. varies in the same way as the density
D. increases exponentially with elevation
✅ The correct answer is option C.