Civil Engineering - Water Supply Engineering
Exercise :: Water Supply Engineering - Section 2
| 41. |
The water level in an open well was depressed by pumping 2.5 m and recuperated 2.87 m in 3 hours and 50 minutes. The yield of the well per minute is |
Answer: Option C
Explanation:
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| 42. |
Rapid gravity filter can only remove turbidity of water upto |
| A. |
15 to 25 gm/litre | | B. |
25 to 30 gm/litre | | C. |
30 to 35 cm/litre | | D. |
35 to 40 gm/litre | | E. |
50 gm/litre. |
Answer: Option D
Explanation:
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| 43. |
Pick up the correct statement from the following : |
| A. |
The amount of rainfall in 24 hours, is known as daily rainfall | | B. |
The amount of rainfall in one year, is known as annual rainfall | | C. |
The rain cycle period in India is taken as 35 years | | D. |
The ratio of the actual rainfall in the year to the normal rainfall at a place, is called index of the wetness | | E. |
All the above. |
Answer: Option E
Explanation:
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| 44. |
The best process of disinfection of public water supply, is by |
| A. |
boiling | | B. |
chlorination | | C. |
adding lime | | D. |
adding zone. |
Answer: Option B
Explanation:
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| 45. |
Pick up the correct statement from the following : |
| A. |
A hydrograph is a plot of discharge versus time | | B. |
A mass curve is a plot of accumulated flow versus time | | C. |
The mass curve continuously rises | | D. |
The slope of the mass curve at any time is a measure of the inflow rate at that time | | E. |
All the above. |
Answer: Option E
Explanation:
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