Metal Ore Concentration (Leaving Cert Engineering): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
ShowHide
Practise the questions
12 questions from this quiz
What is magnetic separation?
What is magnetic separation?
A physical method to concentrate ores
Which ore type is magnetic separation particularly effective for?
Which ore type is magnetic separation particularly effective for?
Iron ore
Why is magnetic separation used after mining?
Why is magnetic separation used after mining?
To reduce transport costs and weight
What does the success of magnetic separation depend on?
What does the success of magnetic separation depend on?
Difference in magnetic properties
What is the first step in the magnetic separation process?
What is the first step in the magnetic separation process?
Crushing and preparation
What happens to magnetic iron particles during separation?
What happens to magnetic iron particles during separation?
They are attracted to the roller
What happens to non-magnetic materials like clay and rock?
What happens to non-magnetic materials like clay and rock?
They fall away into separate area
What is the function of the hopper in the magnetic separation system?
What is the function of the hopper in the magnetic separation system?
Feeds powdered ore into system
What is the purpose of the magnetised roller?
What is the purpose of the magnetised roller?
To create a strong magnetic field
Why is ore crushed into small particles before separation?
Why is ore crushed into small particles before separation?
To increase surface area
Which benefit is NOT mentioned for magnetic separation?
Which benefit is NOT mentioned for magnetic separation?
Increased ore melting point
When does magnetic separation work best?
When does magnetic separation work best?
When there's clear magnetic difference
