Hydrology Questions Set 2:
Which equation is used for Hydrological Flood Routing?
Solution:
Find the optimum number of rain gauge stations if the coefficient of variation of the rainfall for 5 rain gauge stations was found to be 26.7% with an error of 8%.
Solution:
Which of the following is the basic equation of flood routing, where I = inflow rate, Q = outflow rate, and S = storage?
Solution:
Which of the following methods is used to derive the maximum depth of rainfall in an area over a given duration?
Solution:
A canal is 80 km long and has an average surface width of 15 m. If the evaporation measured in a class A pan is 0.5 cm/day, the volume of water evaporated in a month of 30 days is (in m³)
Solution:
Water is flowing in a canal of width 5 m at a rate of 20 cumec. The average diameter of the particles of the medium through which water is flowing is 0.53 mm. What is the Lacy scour depth of the canal?
Solution:
A 100 ha watershed received rainfall at a rate of 5 cm/hr for 2 hours. If the runoff generated by the storm was at the rate of 1 m³/s for 10 hours, then the runoff coefficient for the watershed was
Solution:
A tracer takes 100 days to travel from Well-1 to Well-2 which are 100 m apart. The elevation of water surface in Well-2 is 3 m below that in Well-1. Assuming porosity equal to 15%, the coefficient of permeability (expressed in m/day) is
Solution:
A catchment area has 4 rain gauge stations. In the year 1975, station D was inoperative, and stations A, B, and C recorded annual rainfall of 91.11, 72.23, and 78.89 cm respectively. Estimate the rainfall at station D in that year using the arithmetic mean method.
Solution:
Match the following List I to List II
List I
i. Aquifer
ii. Aquitard
iii. Aquiclude
iv. Aquifuge
List II (Examples)
1. Compact rock
2. Clay
3. Clay interbedded with sand
4. Unconsolidated deposits of sand and gravel
Solution:
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