Mining objective mcq questions and answers
Which of the following is not a method of underground mining?
A. Longwall mining
B. Open-pit mining
C. Room and pillar mining
D. Cut-and-fill mining
Answer: B
The process of extracting valuable minerals or other geological materials from the earth is known as:
A. Mining
B. Drilling
C. Blasting
D. Extraction
Answer: A
Which of the following is an example of a non-metallic mineral ?
A. Copper
B. Iron ore
C. Gold
D. Gypsum
Answer: D
The primary objective of mine ventilation is to:
A. Increase mineral production
B. Control ground stability
C. Ensure worker safety
D. Reduce environmental impact
Answer: C
The process of separating valuable minerals from the ore is called:
A. Crushing
B. Grinding
C. Concentration
D. Smelting
Answer: C
The method of mining that involves the use of explosives to break up the ore is called:
A. Quarrying
B. Drift mining
C. Shaft mining
D. Blasting
Answer: D
Which of the following is a commonly used method for surface mining of coal?
A. Longwall mining
B. Room and pillar mining
C. Contour mining
D. Cut-and-fill mining
Answer: C
The process of drilling boreholes in a mine to extract minerals is known as:
A. Blasting
B. Drifting
C. Drilling
D. Excavation
Answer: C
Which of the following is a mineral extraction method that involves the use of water to separate valuable minerals from the ore?
A. Froth flotation
B. Magnetic separation
C. Gravity separation
D. Heap leaching
Answer: A
The process of removing overburden and extracting minerals from a surface mining operation is called:
A. Stripping
B. Stoping
C. Pillaring
D. Drifting
Answer : A
The primary purpose of blasting in mining operations is to:
A. Create underground tunnels
B. Fragment the rock for easier excavation
C. Control ground stability
D. Ventilate the mine
Answer: B
The term “tailings” refers to:
A. Valuable minerals extracted from the ore
B. Waste material left over after ore processing
C. Underground storage areas for mined minerals
D. The top layer of soil in a mining area
Answer: B
Which of the following is a commonly used method for underground mining of coal?
A. Open-pit mining
B. Cut-and-fill mining
C. Room and pillar mining
D. Quarrying
Answer: C
The process of heating ores to high temperatures to extract metals is called:
A. Smelting
B. Roasting
C. Refining
D. Leaching
Answer : A
Which of the following is a commonly used method for underground mining of hard rock?
A. Block caving
B. Contour mining
C. Highwall mining
D. Strip mining
Answer: A
The method of mining that involves the extraction of minerals from a horizontal underground passage is called:
A. Shaft mining
B. Adit mining
C. Drift mining
D. Slope mining
Answer: C
Which of the following is a commonly used explosive in mining operations?
A. Nitrogen
B. Oxygen
C. TNT (trinitrotoluene)
D. Carbon dioxide
Answer: C
The term “reserves” in mining refers to:
A. The amount of minerals present in a given area
B. The estimated economic viability of mineral deposits
C. The machinery and equipment used in mining operations
D. The environmental regulations governing mining activities
Answer: B
The process of transporting minerals from a mine to a processing facility is called:
A. Haulage
B. Excavation
C. Drilling
D. Blasting
Answer: A
The method of mining that involves the extraction of minerals from a vertical underground passage is called:
A. Shaft mining
B. Adit mining
C. Drift mining
D. Slope mining
Answer: A
Which of the following is a commonly used method for underground mining of metal ores?
A. Contour mining
B. Sublevel caving
C. Highwall mining
D. Quarrying
Answer: B
The term “tailings dam” refers to:
A. The main entrance to an underground mine
B. A structure used to store waste material from mining operations
C. A device used to separate minerals from the ore
D. The ventilation system in a mine
Answer: B
The process of extracting minerals from seawater is called:
A. Desalination
B. Deep-sea mining
C. Placer mining
D. Solution mining
Answer: D
Which of the following is a commonly used method for surface mining of minerals?
A. Underground mining
B. Drift mining
C. Contour mining
D. Drilling
Answer: C
The term “cut-off grade” in mining refers to:
A. The minimum grade of ore required for profitable mining
B. The maximum allowable grade of waste material in ore
C. The level of noise allowed in a mining operation
D. The height of the mining bench in an open-pit mine
Answer: A
The process of transforming mined materials into a concentrated form for further processing is called:
A. Refining
B. Concentration
C. Beneficiation
D. Leaching
Answer: C
Which of the following is a commonly used method for surface mining of minerals on steep slopes or mountainous terrain?
A. Open-pit mining
B. Contour mining
C. Placer mining
D. Quarrying
Answer: B
The process of removing coal or ore from a horizontal underground passage is called:
A. Shaft mining
B. Adit mining
C. Drift mining
D. Slope mining
Answer: C
Which of the following is a commonly used method for surface mining of minerals using water pressure to dislodge the ore?
A. Placer mining
B. Cut-and-fill mining
C. Mountaintop removal mining
D. Highwall mining
Answer: A
The process of breaking down large rocks into smaller fragments for easier handling and transportation is called:
A. Crushing
B. Grinding
C. Drilling
D. Excavation
Answer: A