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Question 1 of 10
1. Question
The three most damaging environmental impacts of road construction and maintenance are noise, dust and road materials.Correct
Noise, dust, vibrations.
Incorrect
Noise, dust, vibrations.
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Question 2 of 10
2. Question
Silt traps are needed in new ditches to ensure that water stays clean in streams and watercourses.Correct
Incorrect
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Question 3 of 10
3. Question
Vibration problems are the only environmental problems caused by uneven roads.Correct
Uneven roads can also cause noise problems.
Incorrect
Uneven roads can also cause noise problems.
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Question 4 of 10
4. Question
The NATURA 2000 program is hosted by the European Union and its main purpose is to protect the most valuable and threatened species and habitats.Correct
Incorrect
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Question 5 of 10
5. Question
Dust binding in gravel roads is usually performed by watering the road surface.Correct
With chemicals calcium chloride (CaCl2) and magnesium chloride (MgCl2).
Incorrect
With chemicals calcium chloride (CaCl2) and magnesium chloride (MgCl2).
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Question 6 of 10
6. Question
Advection means that when water is in movement, the particles move with the flow of water.Correct
Incorrect
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Question 7 of 10
7. Question
Deadsorption means that when water is in movement, the particles move with the flow of water.Correct
Desorption is the opposite of adsorption. Desorption means the process where molecules or ions, which are adsorbed into the surface of another substance, begin to unstick from the surface.
Incorrect
Desorption is the opposite of adsorption. Desorption means the process where molecules or ions, which are adsorbed into the surface of another substance, begin to unstick from the surface.
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Question 8 of 10
8. Question
Carbon emissions can be reduced with good rehabilitation planning.Correct
Incorrect
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Question 9 of 10
9. Question
Ice and snow control do not affect groundwater because they are always performed mechanically.Correct
De-icing and snow removal is also carried out with de-icing chemicals and these can affect groundwater.
Incorrect
De-icing and snow removal is also carried out with de-icing chemicals and these can affect groundwater.
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Question 10 of 10
10. Question
Material selection has only a minor impact on carbon emissions.Correct
The amount of materials used in a road project has a direct effect on its carbon emissions. The most efficient way to construct a road is to recycle, or reduce the need for materials and construction.
Incorrect
The amount of materials used in a road project has a direct effect on its carbon emissions. The most efficient way to construct a road is to recycle, or reduce the need for materials and construction.