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Civil Engineering - Water Supply Engineering

Exercise : Water Supply Engineering - Section 4
31.
Gravity conduits
carry water under gravity
follow the hydraulic gradient line
are carried on trestles in valleys and depressions
are carried through tunnels in deep cuttings
All the above.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
Carbonates in water produce
temporary hardness
permanent hardness
acidity
alkanity.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
Hardness of water is caused by
presence of soap lather
presence of chlorides and sulphates of sodium and potassium
presence of bicarbonates, sulphates or chlorides of calcium and magnesium
turbidity.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
A slow sand filter is cleaned if its filter head is higher than
10 cm to 20 cm
20 cm to 40 cm
40 cm to 70 cm
70 cm to 120 cm
120 cm to 150 cm.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
A strainer type well sunk through three pervious layers intervened by three impervious aquicludes, draws water from
top most pervious layer
central pervious layer
lowest pervious layer
all the pervious layers.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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