Q. Storm water is collected from streets into the __________ which in turn discharged into main drains of open type.

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Q. The depth in open drain should preferably be kept _______ the man height.

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Q. Which of the following is considered if sewers are placed on the softer grounds?

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Q. In India which type of sewer systems are preferred?

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Q. Partial sewers carry a part of stormwater to sanitary sewers.

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Q. Two sets of sewers are laid in _________ system.

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Q. Which of the following is an advantage of separate sewers?

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Q. When only one set of sewers are used to carry both sanitary sewage and storm water, it is called as __________ system.

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Q. If sizes of the sewers are __________ choking problems are less.

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Q. Which of the following is a disadvantage with respect to the size of the sewers?

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Q. In which kind of cities are combined systems used?

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Q. In partial systems, there is no over load on the treatment plants.

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Q. The treatment is costly in which of the following systems?

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Q. The process that involves connecting pipelines and sewer appurtenances to transport waste to sewage treatment centres is called?

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Q. Pipeline networks are designed by engineers and installed by sewer contractors in accordance with federal and state regulations.

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Q. Sewer systems can also be referred as _________

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Q. On which of the factors mentioned below, the type of the sewer installed does not depend on?

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Q. __________ is required to transport storm water runoff from roofs, parking lots, streets, and highways to a point of discharge.

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Q. Combined sewer systems are no longer installed due to the water pollution problems they present.

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Q. Which of the following factors mentioned below marks essential for planning sewer systems for a community?

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