401. The formula V = (1/n) r2/3____________________?
A. Chezy’s formula
B. Bazin’s formula
C. Kutter’s formula
D. Manning’s formula
✅ The correct answer is option D.
Civil Engineering Mcqs MCQs
402. Large diameter sewers subjected to external pressure alone, are reinforced ______________________?
A. Near the inner surface of the pipe
B. Near the outer surface of the pipe
C. Both A. and B.
D. With elliptical cage
✅ The correct answer is option D.
403. The layers of vegetable wastes and night soil alternatively piled above the ground to form a mound, is called_______________?
A. A heap
B. Plateau
C. Windrow
D. None of these
✅ The correct answer is option D.
404. According to Bernoulli’s equation for steady ideal fluid flow_______________?
A. principle of conservation of mass holds
B. velocity and pressure are inversely proportional
C. total energy is constant throughout
D. the energy is constant along a stream-line but may vary across streamlines
✅ The correct answer is option D.
405. The ratio of design discharge to the surface area of a sedimentation tank is called____________________?
A. Surface loading
B. Overflow rate
C. Overflow velocity
D. All of these
✅ The correct answer is option D.
406. The spacing of man holes along a straight portion of a sewer is 300 m, the diameter of the sewer may be__________________?
A. 0.9 cm
B. 1.2 m
C. 1.5 m
D. > 1.5 m
✅ The correct answer is option D.
407. For a body floating in a liquid the normal pressure exerted by the liquid acts at _________________?
A. bottom surface of the body
B. e.g. of the body
C. metacentre
D. all points on the surface of the body
✅ The correct answer is option D.
408. If the depth of partial flow in a sewer of diameter 2 m, is 50 cm, its wetted perimeter is____________________ ?
A. 1/3
B. 0/2
C. 0/3
D. 2 /3
✅ The correct answer is option D.
409. If the atmospheric pressure on the surface of an oil tank (sp. gr. 0.8) is 0.2 kg/cm”, the pressure at a depth of 50 m below the oil surface will be _____________________?
A. 2 meters of water column
B. 3 meters of water column
C. 5 meters of water column
D. 6 meters of water Column
✅ The correct answer is option D.
410. Which one of the following part of human body withstands minimum radiation ?
A. Thyroid
B. Kidneys
C. Eyes
D. Ovaries/testis
✅ The correct answer is option D.