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Water Supply Engineering
Comments
Question
While selecting the location of an intake for collecting surface water, the factor considered, is
Options
A. The intake point should be near as far as possible to the treatment plant
B. The intake point should be in purer zone of the water source
C. The intake point should be upstream of the point of disposal of waste water
D. The intake point in meandering rivers should be on concave banks
E. All the above;
Correct Answer
All the above;
Water Supply Engineering problems
Search Results
1. Non-pathogenic bacterias cause the following water borne disease,
Options
A. cholera
B. typhoid
C. infections hepatitis
D. none of these.
Show Answer
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Discuss
Correct Answer: none of these.
2. Pick up the correct statement from the following :
Options
A. Air lift pumps are generally used for pumping water from deep wells
B. Jet pumps are generally used for pumping water from small wells
C. The hydraulic ram works on the principle of water hammer
D. Rotary pumps are provided cams which rotate in opposite direction
E. all the above.
Show Answer
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Discuss
Correct Answer: all the above.
3. Sluice valves in main water supplies
Options
A. are used to regulate the flow of water in pipes
B. are spaced about 5 km apart
C. are usually placed at the summits
D. all the above.
Show Answer
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Discuss
Correct Answer: all the above.
4. The capability of a soil mass of full width and depth to transmit water, is known
Options
A. porosity
B. permeability
C. transmissibility
D. none of these.
Show Answer
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Correct Answer: permeability
5. Dead storage of a reservoir of
Q
capacity generally provided for silt deposition during its life time, is generally kept
Options
A. 1/8th
Q
B. 1/6th
Q
C. 1/5th
Q
D. 1/4th
Q
E. 1/3rd
Q
.
Show Answer
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Correct Answer: 1/4th
Q
6. Pickup the incorrect statement from the following :
Options
A. The invert of pressure conduit is independent of the grade of the hydraulic gradient line
B. The pressure conduits may be taken uphill upto a maximum height of 8.3 m
C. Aqueducts and tunnels sections are generally kept circular
D. None of these.
Show Answer
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Discuss
Correct Answer: None of these.
7. Water having pH value as 6, is
Options
A. alkaline
B. acidic
C. neutral
D. none of these.
Show Answer
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Discuss
Correct Answer: acidic
8. The discharge
for the confined tube well is obtained from
Options
A. Thiem's formula
B. Darcy's formula
C. Tolman's formula
D. Dupuits formula.
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Correct Answer: Dupuits formula.
9. The formula for pipe flows, suggested by, Hazen-William is
Options
A.
B.
V
= 0.85
C
H
R
0.63
.
S
0.54
C.
D. None of these.
Show Answer
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Discuss
Correct Answer:
V
= 0.85
C
H
R
0.63
.
S
0.54
10. Perched acquifers are generally found
Options
A. on the surface of the ground
B. below the surface of the ground but above water table
C. below the water table
D. all the above.
Show Answer
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Discuss
Correct Answer: below the surface of the ground but above water table
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