Q. _______ denotes the characteristic size of circular cross section of sewer.

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Q. The arch cross section is divided into how many types?

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Q. One side walkway is a type of __________

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Q. Which of the following ovoid cross section has the maximum nominal size range?

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Q. There is less deposition of waste in ovoid cross-section.

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Q. Which type of sewer serves as an outlet for large territory?

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Q. Which sewer collects sewage directly from the house?

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Q. _______ sewer collects sewage from collecting system to a disposal plant?

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Q. Which sewer carries both sewage and storm water?

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Q. Which sewer is also called as submain sewer?

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Q. Which sewer is used to carry the excess flow of existing sewer?

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Q. Asbestos cement sewers are made from __________

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Q. Which of the following is a disadvantage of asbestos cement sewer?

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Q. Asbestos cement sewer offers resistant to sulfide corrosion.

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Q. The diameter of plain cement concrete pipes used for sewerage system is __________

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Q. The grade of concrete used in plain cement concrete sewer is __________

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Q. Which of the following is incorrect regarding Cement concrete sewers?

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Q. The crown corrosion takes place due to formation of __________

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Q. The cement concrete sewers are lined with vitrified clay lining to prevent __________

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Q. Which of the following method is not used for treating crown corrosion?

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