Q. The roughness coefficient is assumed in __________

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Q. The hydraulic radius is given by __________

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Q. What is the maximum value of Manning’s coefficient for soil with heavy vegetation?

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Q. The total time for inlet flow and flow along the drain is given by __________

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Q. If the depth of a trapezoidal section is 0.50 m and free board is 0.15 m, then the total depth is?

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Q. The time of flow in minutes for a longitudinal drain of 400 m and with a velocity of 0.8 m/sec is?

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Q. In slab culverts RCC slab is placed over abudment of __________

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Q. The span of RCC slab is limited to __________

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Q. What is the minimum diameter used in pipe culverts?

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Q. The GWT should be at a distance of _______ from ground level.

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Q. The total interruption to traffic in a year should not exceed __________

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Q. The clay seal may be provided if the seepage zone is at a depth of less than __________

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Q. The capillary control can be controlled by how many methods?

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Q. To fulfill the adequate permeability the D15 of filter/D15 of foundation ratio should be greater than __________

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Q. The D85 point size is given by __________

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Q. The loss of water from leaves present on embankment is called __________

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