Extraction of coal

Q. Which of the following districts are known for their extensive coal deposits?

1. Adilabad
2. Kurnool
3. Chittoor
4. Khammam

Q. Choose the correct option.

Assertion [A]: Thick and extensive layers of basalt are found in Maharashtra.
Reason [R]: Maharashtra does not have large reserves of mineral wealth.

1. A is false but R is true.
2. Both A and R are true and R is the correct explanation of A.
3. A is true but R is false.
4. Both A and R are true but R is not the correct explanation of A.

Q. Name the substance that is used to extract coal from the coal mine, from an explosion in the blasting hole?

1. Dolomite
2. Arsenic
3. Mercury
4. Dynamite

Q.

Coal can be drawn into wires.

1. True
2. False

Q. Why is Dolomite applied to the coal seams?

1. To prevent the oxidation of coal.
2. To prevent fires in the mines.
3. To allow the oxidation of coal.
4. To allow the easy mining of coal.

Q. Which of the following statements describe the extraction of coal?

1. A survey is done to identify regions of coal.
2. The region is dug to form a mine.
3. The coal is blasted using dynamite.
4. None of the above.

Q. Which mineral is used to prevent the oxidation of coal at the coal seams?

1. Dolomite
2. Feldspar
3. Mica
4. Chromium

Q. The SCCL was set up by a private British mining company in _____.

1. 1880
2. 1868
3. 1886
4. 1920

Q. Name the substance that is applied to the coal seam to prevent its oxidation and to prevent fires.

1. Dynamite
2. Dolomite
3. Arsenic
4. Phosphate

Q. Name the substance that is applied to the coal seam to prevent its oxidation and to prevent fires.

1. Dynamite
2. Dolomite
3. Arsenic
4. Phosphate

Q. What are the dangers faced by workers in the coal mines?

1. The tunnels could collapse cutting the workers off.
2. The suffocation due to poisonous gasses in the mine.
3. Flooding of the tunnels in the mines.
4. There are no dangers faced by workers.

Q. Name the substance that is used to extract coal from the coal mine, from an explosion in the blasting hole?

1. Dolomite
2. Arsenic
3. Mercury
4. Dynamite

Q. Which of the following is a fossil fuel?

1. Silver
2. Coal
3. Gold
4. Iron

Q. Which mineral is used to prevent the oxidation of coal at the coal seams?

1. Dolomite
2. Feldspar
3. Mica
4. Chromium

Q. Which of the following sources of energy is produced from coal?

1. Hydro power
2. Thermal power
3. Tidal power
4. None of the above