General Awareness · Geography

Minerals and Ores

1,167 Questions

Minerals and ores encompass the extraction, identification, and economic significance of naturally occurring crystalline substances. Topics cover specific ores like cinnabar and bauxite, alongside global mineral resource distribution. Candidates preparing for general awareness and geography sections should review these questions to master regional and global mineral reserves.

Ore identificationMineral extractionGlobal mineral reservesIndustrial minerals

Minerals and Ores Questions

Multiple choice

What is the term for the legal right to explore for and extract minerals from land that is owned by a private individual?

  1. Mineral rights

  2. Surface rights

  3. Mining rights

  4. Drilling rights
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Mineral rights are the legal rights to explore for and extract minerals from land that is owned by a private individual, typically granted by the landowner to a lessee.

Multiple choice

What is the name of the mineral that is mined in the coastal plains of India?

  1. Coal

  2. Iron ore

  3. Copper

  4. Gold
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Iron ore is the main mineral that is mined in the coastal plains of India.

Multiple choice

What is the recommended maximum exposure limit for respirable dust in a mining environment?

  1. 1 mg/m³

  2. 2 mg/m³

  3. 5 mg/m³

  4. 10 mg/m³
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

The recommended maximum exposure limit for respirable dust in a mining environment is 2 mg/m³.

Multiple choice

Which of the following is NOT a common type of explosive used in mining operations?

  1. Dynamite

  2. ANFO

  3. Emulsion explosives

  4. Black powder
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Black powder is not typically used as an explosive in modern mining operations.

Multiple choice

What is the recommended maximum exposure limit for silica dust in a mining environment?

  1. 0.1 mg/m³

  2. 0.2 mg/m³

  3. 0.5 mg/m³

  4. 1 mg/m³
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The recommended maximum exposure limit for silica dust in a mining environment is 0.1 mg/m³.

Multiple choice

Which of the following is NOT a common type of mining waste?

  1. Tailings

  2. Overburden

  3. Spoil

  4. Gangue
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Spoil is not typically considered a type of mining waste.

Multiple choice

Which mining method is commonly used for extracting minerals located near the surface of the earth?

  1. Open-pit Mining

  2. Underground Mining

  3. Placer Mining

  4. Dredging
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Open-pit mining involves the removal of overburden to expose the mineral deposit and extract it from the surface.

Multiple choice

Which mining method is suitable for extracting minerals from riverbeds or alluvial deposits?

  1. Placer Mining

  2. Dredging

  3. Subsurface Mining

  4. Quarrying
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Placer mining involves the recovery of minerals from loose deposits, such as riverbeds or alluvial fans, using simple techniques like panning or sluicing.

Multiple choice

Which mining method involves the use of large machines to remove overburden and extract minerals?

  1. Surface Mining

  2. Subsurface Mining

  3. Quarrying

  4. Dredging
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Surface mining, also known as open-pit mining, utilizes large machines like excavators and dump trucks to remove overburden and extract minerals from the surface.

Multiple choice

Which mining method is commonly used for extracting minerals from underground deposits?

  1. Open-pit Mining

  2. Underground Mining

  3. Placer Mining

  4. Dredging
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Underground mining involves the construction of tunnels, shafts, and other underground workings to access and extract minerals from beneath the surface.

Multiple choice

Which mining method is suitable for extracting minerals from steeply dipping ore bodies?

  1. Open-pit Mining

  2. Underground Mining

  3. Placer Mining

  4. Dredging
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Underground mining methods, such as sublevel caving and block caving, are commonly used for extracting minerals from steeply dipping ore bodies.

Multiple choice

Which mining method involves the use of water jets to break and dislodge minerals from their host rock?

  1. Hydraulic Mining

  2. Placer Mining

  3. Dredging

  4. Quarrying
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Hydraulic mining utilizes high-pressure water jets to break and dislodge minerals from their host rock, making them easier to extract.

Multiple choice

Which mining method is commonly used for extracting minerals from large, tabular ore bodies?

  1. Open-pit Mining

  2. Underground Mining

  3. Placer Mining

  4. Dredging
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Underground mining methods, such as longwall mining and room-and-pillar mining, are commonly used for extracting minerals from large, tabular ore bodies.

Multiple choice

Which mining method involves the use of large draglines to remove overburden and extract minerals?

  1. Open-pit Mining

  2. Underground Mining

  3. Placer Mining

  4. Dredging
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Open-pit mining, also known as surface mining, utilizes large draglines to remove overburden and extract minerals from the surface.

Multiple choice

What is the term used to describe the practice of extracting minerals from waste materials?

  1. Urban mining

  2. Secondary resource recovery

  3. Recycling

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Urban mining, secondary resource recovery, and recycling are all terms used to describe the practice of extracting minerals from waste materials, reducing the need for primary mining and conserving natural resources.