Which of the following is an example of a metallic mineral used for making coins.
a. Copper
b. Diamond
c. Feldspar
d. Limestone
Answer: a. Copper
Which of the following is an example of a metallic mineral used for making coins. Read More »
a. Copper
b. Diamond
c. Feldspar
d. Limestone
Answer: a. Copper
Which of the following is an example of a metallic mineral used for making coins. Read More »
a. Magnetic separation
b. Leaching
c. Flotation
d. Refining
Answer: a. Magnetic separation
a. Natural gas
b. Coal
c. Solar energy
d. Oil
Answer: c. Solar energy
Which of the following is an example of a renewable resource. Read More »
a. Jumbo drill
b. Haul truck
c. Bulldozer
d. Grader
Answer: a. Jumbo drill
What is the name of the machine used to drill holes in rock for blasting. Read More »
a. Longwall mining
b. Open-pit mining
c. Placer mining
d. Hydraulic mining
Answer: a. Longwall mining
Which of the following is a common method used for underground mining of coal. Read More »
a. Stripping
b. Drilling
c. Blasting
d. Hauling
Answer: a. Stripping
a. Longwall mining
b. Highwall mining
c. Open-pit mining
d. Block caving
Answer: a. Longwall mining
Which of the following is a common method used for underground mining of minerals. Read More »
a. Leaching
b. Refining
c. Smelting
d. Electrowinning
Answer: d. Electrowinning
a. Ventilation
b. Dust suppression
c. Water management
d. All of the above
Answer: a. Ventilation
a. Smelting
b. Leaching
c. Amalgamation
d. Refining
Answer: c. Amalgamation