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An egg-shaped section of the sewer
- a)Is economical than a circular section
- b)Provides self-clearing velocity at low discharges
- c)Is more stable than a circular section
- d)Is easy to construct
Correct answer is option 'B'. Can you explain this answer?
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An egg-shaped section of the sewera)Is economical than a circular sec...
An egg-shaped block of sewer - Provides self-clearing velocity at low discharges
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Hence the correct answer is option B.
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Introduction:
The question asks about the advantages of using an egg-shaped section in a sewer compared to a circular section. The correct answer is option B, which states that an egg-shaped section provides self-clearing velocity at low discharges. In this response, we will explain why an egg-shaped section is more advantageous in terms of self-clearing velocity at low discharges.
Explanation:
1. Self-clearing velocity: Self-clearing velocity refers to the velocity at which sediments and debris are effectively carried away by the flowing water in a sewer. It is important to maintain a certain velocity to prevent the accumulation of solids in the sewer, which can lead to blockages and reduced flow capacity.
2. Egg-shaped section: An egg-shaped section is a specific cross-sectional shape commonly used in sewer design. It is characterized by a wider base and a narrower crown, resembling the shape of an egg. This shape is achieved by using an elliptical curve.
3. Advantages of an egg-shaped section: The egg-shaped section provides several advantages over a circular section, including:
a. Self-clearing velocity: The elliptical shape of an egg-shaped section promotes self-clearing velocity, particularly at low discharges. The wider base allows for a higher flow capacity, while the narrower crown helps to maintain higher velocities, ensuring the effective transport of sediments and debris.
b. Economy: The egg-shaped section is more economical than a circular section. It requires less excavation and construction material while providing similar or better hydraulic performance.
c. Stability: The egg-shaped section offers better stability compared to a circular section. The wider base provides a larger contact area with the surrounding soil, reducing the likelihood of settlement or instability issues.
d. Construction: The construction of an egg-shaped section is relatively easy. It can be constructed using standard construction techniques and does not require specialized equipment or complex formwork.
Conclusion:
In conclusion, the egg-shaped section is advantageous in terms of self-clearing velocity at low discharges in a sewer. Its elliptical shape promotes higher velocities, ensuring the effective transport of sediments and debris. Additionally, it offers advantages in terms of economy, stability, and ease of construction compared to a circular section.
The question asks about the advantages of using an egg-shaped section in a sewer compared to a circular section. The correct answer is option B, which states that an egg-shaped section provides self-clearing velocity at low discharges. In this response, we will explain why an egg-shaped section is more advantageous in terms of self-clearing velocity at low discharges.
Explanation:
1. Self-clearing velocity: Self-clearing velocity refers to the velocity at which sediments and debris are effectively carried away by the flowing water in a sewer. It is important to maintain a certain velocity to prevent the accumulation of solids in the sewer, which can lead to blockages and reduced flow capacity.
2. Egg-shaped section: An egg-shaped section is a specific cross-sectional shape commonly used in sewer design. It is characterized by a wider base and a narrower crown, resembling the shape of an egg. This shape is achieved by using an elliptical curve.
3. Advantages of an egg-shaped section: The egg-shaped section provides several advantages over a circular section, including:
a. Self-clearing velocity: The elliptical shape of an egg-shaped section promotes self-clearing velocity, particularly at low discharges. The wider base allows for a higher flow capacity, while the narrower crown helps to maintain higher velocities, ensuring the effective transport of sediments and debris.
b. Economy: The egg-shaped section is more economical than a circular section. It requires less excavation and construction material while providing similar or better hydraulic performance.
c. Stability: The egg-shaped section offers better stability compared to a circular section. The wider base provides a larger contact area with the surrounding soil, reducing the likelihood of settlement or instability issues.
d. Construction: The construction of an egg-shaped section is relatively easy. It can be constructed using standard construction techniques and does not require specialized equipment or complex formwork.
Conclusion:
In conclusion, the egg-shaped section is advantageous in terms of self-clearing velocity at low discharges in a sewer. Its elliptical shape promotes higher velocities, ensuring the effective transport of sediments and debris. Additionally, it offers advantages in terms of economy, stability, and ease of construction compared to a circular section.
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An egg-shaped section of the sewera)Is economical than a circular sectionb)Provides self-clearing velocity at low dischargesc)Is more stable than a circular sectiond)Is easy to constructCorrect answer is option 'B'. Can you explain this answer?
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