What is the name of the process used to separate rare earth minerals from each other using a solvent extraction method.
a. Magnetic separation
b. Leaching
c. Refining
d. Solvent extraction
Answer: d. Solvent extraction
a. Magnetic separation
b. Leaching
c. Refining
d. Solvent extraction
Answer: d. Solvent extraction
a. Copper
b. Quartz
c. Feldspar
d. Limestone
Answer: d. Limestone
Which of the following is an example of a non-metallic mineral used for making cement. Read More »
a. Longwall mining
b. Open-pit mining
c. Placer mining
d. Block caving
Answer: d. Block caving
a. Jumbo drill
b. Haul truck
c. Bulldozer
d. Grader
Answer: a. Jumbo drill
Which of the following is a machine used for drilling long, straight holes in rock. Read More »
a. Desalination
b. Leaching
c. Refining
d. Roasting
Answer: a. Desalination
What is the term used for the process of removing minerals from seawater or brines. Read More »
a. Longwall mining
b. Room and pillar mining
c. Highwall mining
d. Block caving
Answer: c. Highwall mining
Which of the following is a common method used for surface mining of coal. Read More »
a. Longwall mining
b. Highwall mining
c. Open-pit mining
d. Block caving
Answer: d. Block caving
a. Gravity separation
b. Magnetic separation
c. Flotation
d. Roasting
Answer: a. Gravity separation
a. Water management
b. Dust suppression
c. Ventilation
d. All of the above
Answer: a. Water management
Which of the following is a method used to monitor and control the water in a mine. Read More »
a. Smelting
b. Leaching
c. Refining
d. Electrowinning
Answer: b. Leaching