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Waste Water Engineering MCQ Questions & Answers | Civil Engineering

Learn Waste Water Engineering MCQ questions & answers are available for a Civil Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Waste Water Engineering MCQ question is the important chapter for a Civil Engineering and GATE students. Page-7 section-2

Each section contains 100 MCQs on Waste Water Engineering .
61
‘Cowl’ is provided at
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Answer & Solution
Answer: Option B
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62
The formula $${\text{V}} = \frac{1}{{\text{n}}}{{\text{r}}^{\frac{2}{3}}}{{\text{s}}^{\frac{1}{2}}}$$
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Answer & Solution
Answer: Option D
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63
A drop manhole is provided if
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Answer: Option B
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64
The most widely used pump for lifting sewage is
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Answer & Solution
Answer: Option A
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65
The non-clog pump which permits solid matter to pass out with the liquid sewage, is
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Answer & Solution
Answer: Option A
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66
The grit chambers of sewage treatment plants, are generally cleaned after
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Answer & Solution
Answer: Option D
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67
Cement concrete sewers are only suitable if non-scouring velocity is between
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Answer & Solution
Answer: Option A
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68
Pick up the correct statement from the following:
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Answer & Solution
Answer: Option D
Solution:
Key Points:

1. Maximum daily flow = 2 times the average daily flow:
This is a standard assumption used in wastewater engineering to account for peak flow conditions.

2. Maximum daily flow = (2/3) × average daily flow:
This is another consideration often used in specific design scenarios, depending on regional practices and flow characteristics.

3. Sewers are designed for minimum permissible velocity at minimum flow:
To prevent sediment deposition, sewers are designed to maintain a minimum velocity, even during low-flow conditions.
This ensures the self-cleansing capability of the sewer system.

Therefore: All the statements are correct, making the correct answer Option D: All the above.
69
Pick up the correct statement from the following:
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Answer & Solution
Answer: Option D
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70
In sewers the velocity of flow should not be
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Answer & Solution
Answer: Option B
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