Dredging (Leaving Cert Engineering): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is dredging primarily used to extract?
What is dredging primarily used to extract?
Valuable metal ores
Where does dredging extract materials from?
Where does dredging extract materials from?
Riverbeds and sea floors
What is the function of spuds in dredging operations?
What is the function of spuds in dredging operations?
Anchor the vessel in position
What are wash-plants used for in dredging?
What are wash-plants used for in dredging?
Separating ores from waste
In the disposal phase, what happens to waste material?
In the disposal phase, what happens to waste material?
Returned to the water
What are placer deposits?
What are placer deposits?
Minerals concentrated by water
Which material is commonly extracted through dredging?
Which material is commonly extracted through dredging?
Gold particles
How does dredging affect water quality?
How does dredging affect water quality?
Creates muddy conditions
What habitat impact does dredging cause?
What habitat impact does dredging cause?
Destroys aquatic habitats
What visual advantage does dredging have over open-pit mining?
What visual advantage does dredging have over open-pit mining?
Less visual impact
What weather-related limitation affects dredging?
What weather-related limitation affects dredging?
Operations can be halted
What is the bucket-wheel dredging system's main function?
What is the bucket-wheel dredging system's main function?
Mechanically scoop sediment