If P and A are the perimeter and area of a drainage basin, its compactness coefficient, is

More Questions from Water Resources Engineering

• IMD standard non-recording rain gauges – collector aperture sizes According to the Indian Meteorological Department (IMD), the standard non-recording rain gauges are manufactured with collector apertures of which areas?
• While determining the yield of a gravity well by pumping, the depth of water table in two tests wells at distances r1 and r2 from the centre of the main well were found to be s1 and s2 respectively. Assuming the coefficient of transmissibility of the soil as T, the discharge Q may be given by
• Symon’s rain gauge – identify its operating type In hydrometeorological practice, a Symon’s rain gauge is classified as which type of rain gauge?
• Streamflow velocity measurement – best instrument for discharge gauging For measuring the point velocity profile in natural streams to compute discharge accurately, which instrument is considered the best standard practice?
• Time of overland flow – key controlling factors Which physical basin characteristics significantly influence the time of overland flow (the travel time of sheet runoff to channels)?
• Flood control embankments along rivers – terminology Earthen embankments constructed parallel to river banks at some distance, primarily for flood protection, are commonly called what?
• Rainfall description parameters – what fully characterizes a storm at a location? Which set of parameters is used to describe rainfall at a point for design and analysis purposes?
• Open-channel hydrometry: A stream is 10 m deep. Using the two-point method, a current meter records velocities of 0.7 m/s at 2 m below the surface (0.2D) and 0.3 m/s at 8 m below the surface (0.8D). Compute the discharge per unit width (m^3/s per m).
• Evaporation from open water surfaces: Which set of factors collectively governs evaporation losses from reservoirs, tanks, or lakes?
• Definition check: In hydrometeorology, “precipitation” includes which of the following forms of water reaching the earth’s surface?

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