A. Imhoff tanks
B. Trickling filters
C. Sludge sedimentation tanks
D. None of these
✅ The correct answer is option B.
Civil Engineering Mcqs MCQs
You are asked to design sewer pipes of diameters 0.4 m to 0.9 m at maximum flow, you will assume the sewer flow running at___________________?
A. Full depth
B. Half full
C. Two third full
D. Three fourth full
✅ The correct answer is option B.
Lead caulked joints are used for laying____________________?
A. Stone ware pipes
B. Earthenware pipes
C. C.I. pipes
D. G.I. pipes
✅ The correct answer is option B.
For drainage pipes in buildings the test applied before putting them to use, is__________________?
A. Water test
B. Smoke test
C. Straightness test
D. All the above
✅ The correct answer is option B.
The original record of a business transaction is recorded in this book_____________?
A. Work book
B. Journal
C. Ledger
D. Account book
✅ The correct answer is option B.
The units of viscosity are__________________?
A. metres2 per sec
B. kg sec/metre
C. newton-sec per metre2
D. newton-sec per metre
✅ The correct answer is option B.
If is the rugosity coefficient, is the bed slope of sewer, the velocity of flow in m/sec may be obtained by the formula V = (1/n) r2/3 s1/2 evolved by_________________?
A. Chezy
B. Manning
C. Bazin
D. Kutter
✅ The correct answer is option B.
The coagulant widely used for sewage treatment, is_________________?
A. Alum
B. Ferric chloride
C. Ferric sulphate
D. Chlorinated copperas
✅ The correct answer is option B.
The flow velocity in detritus tanks is________________?
A. 0.05 m/sec
B. 0.09 m/sec
C. 1.25 m/sec
D. None of these
✅ The correct answer is option B.
15 cumecs, the depth d and width are related by For drains up to___________________?
A. d = 0.2 B
B. d = 0.5 B
C. B = 0.2 d
D. B = 0.5 d
✅ The correct answer is option B.