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GATE Civil Engineering (CE) 2010 Solved Paper

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Question : 52

Total: 65

A wall of diameter 20 cm fully penetrates a confined aquifer. After a long period of pumping at a rate of 2720 litres per minute, the observations of drawdown taken at 10 m and 100 m distances from the center of the wall are found to be 3 m and 0.5 m respectively. The transmissivity of the aquifer is

676 m²/day
576 m²/day
526 m²/day
249 m²/day

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