Q. Which of the following conduit material has the maximum Kutter’s coefficient in terms of good surface?

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Q. The value of Bazen’s constant for good earthen channels is ____________

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Q. Which of the following has a minimum manning’s coefficient in terms of fair interior surface?

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Q. Which of the following is the expression of the Manning’s formula?

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Q. Which of the following order is correct regarding Hazen and William’s coefficient?

i. Steel pipe
ii. Cement lined pipe
iii. Wood stave pipe
iv. Asbestos cement pipe

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Q. _______ is the velocity at which the solid matter in sewage remained in suspended form.

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Q. The expression for the self cleansing velocity is given by ____________

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Q. The self cleansing velocity required for coarse sand is __________

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Q. In which of the following, the self cleansing velocity is maximum?

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Q. The diameter of the sewer is 23cm. What should be the self cleansing velocity?

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Q. What should be the diameter of the sewer when the self cleansing velocity is 60cm/Sec?

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Q. The maximum velocity at which no abrasion takes place is called _______

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Q. The non scouring velocity is 260cm/Sec. The type of material of the sewer is __________

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Q. The non scouring velocity required for cast iron sewer pipes is __________

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Q. Which of the following is incorrect regarding circular sewer?

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Q. A circular section of sewer gives _______ area for a given perimeter.

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Q. What is the wetted perimeter of a circular section of sewer?

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Q. The hydraulic mean depth of a circular section running full is __________

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Q. The proportional depth of a circular sewer running partially half is __________

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Q. The proportional perimeter of a circular sewer running partially half where K is the central angle subtended at a circular section of sewer is __________

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