Open Pit Mining (Leaving Cert Engineering): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What type of extraction method is open pit mining?
What type of extraction method is open pit mining?
A surface extraction method
What is primarily extracted using open pit mining?
What is primarily extracted using open pit mining?
Metal ores
When is open pit mining typically used?
When is open pit mining typically used?
When ore is near surface but extends deep underground
How deep can open pit mines reach?
How deep can open pit mines reach?
Hundreds of metres
What are the stepped levels in open pit mines called?
What are the stepped levels in open pit mines called?
Benches
What is one purpose of the terraced design?
What is one purpose of the terraced design?
Prevents rock falls and slope failures
What is the primary function of excavators?
What is the primary function of excavators?
Remove overburden and extract ore
What do dump trucks do in open pit mining?
What do dump trucks do in open pit mining?
Transport materials along access roads
What is the first step in the mining operation process?
What is the first step in the mining operation process?
Survey teams identify ore location
What environmental impact involves permanent changes?
What environmental impact involves permanent changes?
Landscape modification