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APSC 151 GROUNDWATER Questions And Answers
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Well A is drilled down to an elevation of 200m above sea level and has a water column of 50m high. Well B is 2.5km away and is drilled to an elevation of 220m. The pressure at the bottom of well be is approximately 100kPa. The hydraulic gradient between Well A and Well B is: Question options...

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  • August 5, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • apsc 151 groundwater questions and answers

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  • APSC 151
  • APSC 151

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APSC 151 GROUNDWATER
Questions And Answers

Which reservoir of the hydrosphere would you describe as containing the

largest fraction of Earth's liquid freshwater?




Question 1 options:




A)




glaciers and ice sheets




B)




groundwater

,C)




soil moisture




D)




lakes and reservoirs


✓✓✓✓~ A




Considering their relative density and solubility in water, how would hazardous

substances behave that accidentally entered a groundwater system?




Question 2 options:




Gasoline and kerosene would float on the water table, but most pesticides break

down chemically when they reach the water table.

, Sulphuric and nitric acids would sink to the bottom of the aquifer; kerosene

would accumulate as a layer just below the water table.




Gasoline and kerosene would float on the water table; ethyl alcohol would

dissolve and disperse in the groundwater.




E-coli bacteria may build up in groundwater but can be diluted or rinsed away

with sufficient input of natural surface waters such as farm runoff.


✓✓✓✓~ C




DNAPLS




Question 3 options:

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