Q. In a tube well of 20cm diameter in a soil with coefficient of permeability of 4.15*10¯⁴ m/s, drawdown is 4m and aquifer is 30m thick. If radius of influence is 245m, what is the discharge in each well?

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Q. Three tube wells of 20cm diameter each forming an equilateral triangle at distance 100m on side. The coefficient of permeability is 4.15*10¯⁴ m/s, drawdown is 4m and aquifer is 30m thick. If radius of influence is 245m, what is the discharge in each well?

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Q. In a artesian well, when water level falls below the top of confined aquifer, then this type of well is known as ______

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Q. The pumping-in test was devised by _________

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Q. The type of hydraulics of flows towards open well is __________

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Q. The discharge of an open well can be determined by, which of the following method?

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Q. Which of the following well, does not penetrate to the full depth of an aquifer?

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Q. In Recuperation test, the expression (K/A ) is known as ___________

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Q. For fine-grained soil,the value of K/A as specified by Marrio is _________

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Q. When two wells, situated near each other is discharged,the total discharge will __________

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Q. Volume of water dv entering the well, when the head recuperates by dh is ___________

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Q. Which of the following flow is less efficient than radial flow?

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Q. An open well has relatively larger diameter at __________

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