Specific Gravity and Contaminants Quiz
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Questions and Answers

What is the specific gravity of water?

  • 1 (correct)
  • 2
  • 3
  • 0.5

If the specific gravity of a contaminant is less than one, what will happen to the substance in water?

  • It will sink in water
  • It will dissolve in water
  • It will remain at the same level
  • It will float on water (correct)

What is the main difference between Light Non-Aqueous Phase Liquid (LNAPL) and Dense Non-Aqueous Phase Liquid (DNAPL)?

  • LNAPL is soluble in water while DNAPL is not soluble in water
  • LNAPL stops at the height of the water table while DNAPL does not (correct)
  • LNAPL floats on water while DNAPL sinks in water
  • LNAPL is heavier than water while DNAPL is lighter than water

How does porosity relate to the ability of a material to hold groundwater?

<p>Lower porosity means more groundwater holding capacity (A)</p> Signup and view all the answers

What factors influence the behavior and movement of water pollutants in the ground?

<p>Contaminant solubility and porosity (D)</p> Signup and view all the answers

How does solubility affect a contaminant's ability to move through an aquifer?

<p>The more soluble a contaminant is, the easier it can spread through the environment (D)</p> Signup and view all the answers

What does specific gravity of a contaminant affect?

<p>The ability of a contaminant to dissolve in water (A)</p> Signup and view all the answers

What factor largely influences porosity in soil?

<p>Particle size, shape, assortment, and packing (A)</p> Signup and view all the answers

Which type of soil has the most rapid permeability?

<p>Coarse-textured sandy soil (B)</p> Signup and view all the answers

What is the typical permeability rate for compact clay?

<p>0.01 inches per hour (B)</p> Signup and view all the answers

Which soil texture has intermediate rates of soil permeability?

<p>Medium-textured loam (B)</p> Signup and view all the answers

What is the role of clay in relation to water flow in soil?

<p>Acts as an aquitard, impeding the flow of water (B)</p> Signup and view all the answers

How does the steepness of the slope affect water runoff and groundwater infiltration?

<p>The steeper the slope, the greater the water runoff and less potential infiltration of groundwater (B)</p> Signup and view all the answers

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