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Civil Engineering Competitive Exam Guidance

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The minimum per capita water demand for domestic use as recommended by BIS is
Anonymous Quiz
2%
a. 500 Lpcd
17%
b. Less than 50 Lpcd
79%
c. 135 Lpcd
3%
d. 1000 Lpcd
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Alum as a cogulant is found to be effective between pH range of -
Anonymous Quiz
2%
a. 8.0 to 10.0
16%
b. 8.5 to 10.5
79%
c. 6.5 to 8.5
3%
d. 7.0 to 9.0
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Among the following, what is the best suitable range of pH for ferrous sulphate as a cogulant
Anonymous Quiz
21%
a. 5.5 to 8.0
25%
b. 5.5 to 11.0
34%
c. 4.5 to 9.5
20%
d. 8.5 to 11.0
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The water supply to a house begins with the connection of the service pipe with the municipal water mains.
The connection comprises of :
i. Stop-cock ii. Goose neck iii. Ferrule iv. Water meter The correct sequence of these connections is :
Anonymous Quiz
14%
a. i , ii , iii , iv
33%
b. iii , i , ii , iv
49%
c. iii , ii , i , iv
4%
d. i , ii , iv, iii
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An appurtenance used to connect high level branch sewer to low level branch sewer is
Anonymous Quiz
12%
a. Manhole
56%
b. Drop manhole
27%
c. Inverted siphon
5%
d. Catch basin
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Bacteria - Algae symboitc relationship is an important phenomena for BOD reduction in following treatment system:
Anonymous Quiz
33%
a. Aerobic pond
31%
b. Anaerobic pond
25%
c. Anaerobic lagoon
10%
d. Aerated lagoon
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The waste water treatment unit which is installed to remove floating substances like grease,oil ,fats, waxes ,etc. is
Anonymous Quiz
68%
a. Skimming tank
10%
b. Detritus tank
19%
c. Sedimentation tank
2%
d. None of the above
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In the activated sludge process, sludge volume index is used to decide
Anonymous Quiz
23%
a. Quality of raw in sewage
20%
b. Quality of final effluent
53%
c. Recirculation ration of sludge
4%
d. Rate of aeration
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The ambient air quality standards of noise in industrial area during day time and night time are respectively
Anonymous Quiz
23%
a. 75 & 70 dB (A) Leq
30%
b. 70 to 75 dB (A) Leq
37%
c. 65 to 55 dB ( A) Leq
10%
d. 55 to 65 dB ( A) Leq
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Coefficient of discharge for an orifice is..........of coefficient of velocity and coefficient of contraction
Anonymous Quiz
7%
a. An addition
31%
b. a difference
50%
c. a product
12%
d. a ratio
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In which of the following cases streamline, streak line and pathline will coincide with each other
Anonymous Quiz
22%
a. Steady flow
19%
b. Unsteady flow
40%
c. Laminar flow
19%
d. Turbulent flow
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Which of the following terms are used to indicate vertical distance between energy grade line and hydraulic grade line at any point of flow at given section
Anonymous Quiz
29%
a. Piezometeric head
45%
b. Velocity head
17%
c. Elevation head
9%
d. Total head
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