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Civil Engineering - Water Supply Engineering

Exercise : Water Supply Engineering - Section 1
6.
The transitional middle portion of a logistic curve follows
a geometric growth
a logarithmic growth
a first over curve
a constant rate.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Pick up the correct statement from the following :
Excess quantities of iron and manganese in water, cause discolouration of clothes
Lead and barium salts have toxic effect
Arsenic and selenium are poisonous to human health
Higher copper content affects the lungs
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Pick up the incorrect statement from the following regarding fire hydrants
Fire hydrants are fitted in water mains at 100 m to 150 m apart at fire
The minimum water pressure hydrants, is kept 1.5 kg/cm2
The water at pressure 1 to 1.5 kg/cm2 is made available for 4 to 5 hours for constant use
None of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
The specific retention is least in case of
Clay
Sand
Silt
Coarse gravel.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
B.O.D. of treated water should be
10 ppm
25 ppm
20 ppm
30 ppm
Nil.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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