sample_exam_02 - EXAM 2 HYDROGEOLOGY 411 NAME _ NOVEMBER...

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EXAM 2 HYDROGEOLOGY 411 NAME ______________________ NOVEMBER 10, 2005 GRADE ___________ _____________________________________________________________________________ Please answer the following questions and write your solutions in a clear and logical format. 1) For the five conditions shown below on the left illustrate with a carefully drawn solid line how drawdown would compare with the Theis type curve shown as a dashed line. Stippled pattern in images on the right represent an aquifer, clear pattern an aquitard, and slashed pattern an aquiclude (25).
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2) Aquifer A consists of well sorted medium sand and has a saturated thickness of 20 m. Laboratory studies show that the sand has a mean grain size of 1.48 mm, an effective grain size of 0.21 mm, and a porosity of 0.28. Additional laboratory studies show the sand to have a specific retention of 0.03 and a specific yield of 0.25. a. Using the above measured parameters estimate the hydraulic conductivity of the sand (5). Formula
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sample_exam_02 - EXAM 2 HYDROGEOLOGY 411 NAME _ NOVEMBER...

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