| 1 |
Best quality of coal is: |
- A. Anthracite
- B. Bituminous
- C. Lignite
- D. Peat
|
| 2 |
Black colour of coal is due to its: |
- A. Carbon content
- B. Hydrogen content
- C. Sulphur content
- D. Phosphorous content
|
| 3 |
In north-eastern China, Fashon coal mines are: |
- A. Oldest coal mines in China
- B. Recent coal mines in China
- C. Largest coal mines in China
- D. Deepest coal mines in China
|
| 4 |
World's largest producer of coal is: |
- A. China
- B. Canada
- C. United Kingdom
- D. United States of America
|
| 5 |
Among all categories lignite coal its: |
- A. Most superior
- B. Most inferior
- C. Not good quality
- D. Not superior quality
|
| 6 |
World's total estimated resources of coal are: |
- A. 5.0 trillion metric tons
- B. 9.98trillion metric tons
- C. 20.0trillion metric tons
- D. 891.531 billion metric tons
|
| 7 |
World's huge coal reserves of northern hemisphere are located: |
- A. Between 35°-50° north latitude
- B. Between 5°-10° north latitude
- C. Between 80°-90° north latitude
- D. Between 10°-20° latitude
|
| 8 |
In 18th century, due to use of petroleum and natural gas: |
- A. Demand of coal became less
- B. No change took place in use of coal
- C. Coal demand increased
- D. Coal mining was almost stopped
|
| 9 |
In the earth's crust, coal formation began during carboniferous period which spanned: |
- A. 360 to 290 million years before present
- B. 500 million years before present
- C. 100 million before present
- D. 50 million years before present
|
| 10 |
In the world, out of total energy, 29.2 percent is being produced from: |
- A. Coal
- B. Petroluem
- C. Natural gas
- D. Hydroelectricity
|
