Engineering :: Public Health Engineering
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| 261. |
The storm sewers are essentially required to |
| A. |
avoid creation of unfavourable healthy conditions |
B. |
improve the general appearance of the city |
| C. |
dispose off the first washings of early showers as quickly as possible |
D. |
all of the above |
Answer: Option D
Explanation:
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| 262. |
The quantity of storm water (Q) in liter per second is given by Q = CA3/4. This formula is called |
| A. |
Fanning's formula |
B. |
Ryve's formula |
| C. |
Dicken's formula |
D. |
Inglis formula |
Answer: Option C
Explanation:
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| 263. |
The internal diameter of the sewer should not be less than |
Answer: Option A
Explanation:
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| 264. |
If the size of the sewer is small, then the velocity of flow will be high. |
Answer: Option B
Explanation:
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| 265. |
No deposition will take place in |
Answer: Option B
Explanation:
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| 266. |
For house drainage and lateral connections, we shall use |
| A. |
stone ware sewers |
B. |
cast iron sewers |
| C. |
concrete sewers |
D. |
masonry sewers |
Answer: Option A
Explanation:
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| 267. |
Egg-shaped sewers are generally used for |
| A. |
separate system |
B. |
combined system |
| C. |
partially separate system |
D. |
all of these |
Answer: Option D
Explanation:
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| 268. |
The cross-section recommended for separate system of sewerage is |
| A. |
circular |
B. |
egg-shaped |
| C. |
rectangular |
D. |
none of these |
Answer: Option C
Explanation:
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| 269. |
An egg-shaped cross-section of a sewer |
| A. |
is economical than circular cross-section |
B. |
is more stable than circular cross-section |
| C. |
provides self cleaning velocity in dry weather |
D. |
none of the above |
Answer: Option C
Explanation:
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| 270. |
For the sewers of diameter less than 600 mm, the type of joint preferred is |
| A. |
spigot and socket joint |
B. |
collar joint |
| C. |
bandage joint |
D. |
mechanical joint |
Answer: Option A
Explanation:
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