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

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Q. The span of RCC slab is limited to __________

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

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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. 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 total time for inlet flow and flow along the drain 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 hydraulic radius is given by __________

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Q. The roughness coefficient is assumed in __________

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Q. The discharge in m³/sec for a surface drainage of 100 m² and a velocity of 5 m/second is?

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Q. The desirable velocity for sand and silt are __________

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Q. The continuity equation is given by __________

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Q. The side drains and partially filled culverts are designed on the basis of ___________

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Q. For a bitumen pavement calculate the discharge in m³/sec if intensity of the rainfall is 40 mm/sec and area of drainage is 100 m².

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Q. The area of the drainage is expressed in __________

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Q. What is the minimum velocity required in drainage to maintain flow?

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Q. The value of C is taken as ____ for bitumen pavements.

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Q. The rational formula is __________

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Q. The number of steps followed for surface drainage system is __________

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Q. The factors not affecting run off is?

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