| 1 |
In United Kingdom, use of coal started: |
- A. Before 1000 B.C
- B. In thirteenth century A.D
- C. In 18th century A.D
- D. In 19th century A.D
|
| 2 |
World's percent coal reserves are present in the continent of: |
- A. Africa
- B. Asia
- C. Europe
- D. Australia
|
| 3 |
In lignite coal, carbon content may be: |
- A. Only 10 percent
- B. 45 - 65percent
- C. Up to 25percent
- D. Up to 90percent
|
| 4 |
Quality of coal depends upon: |
- A. Carbon content of coal
- B. Hydrogen content of coal
- C. sulphur content of coal
- D. Silicon content of coal
|
| 5 |
If we continue to use coal at this rate, its reserves are enough for: |
- A. 50 years only
- B. 100 years
- C. 1000 years
- D. 300-400 years
|
| 6 |
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
|
| 7 |
Among all categories lignite coal its: |
- A. Most superior
- B. Most inferior
- C. Not good quality
- D. Not superior quality
|
| 8 |
In 18th century, due to invention of steam engine & engineering industry: |
- A. Spurred enormous growth in the coal use
- B. Use of coal increased a little
- C. No change took place in coal use
- D. Coal use became less
|
| 9 |
In 19th century, due to use of petroleum and natural gas: |
- A. Demand of coal became less
- B. No change took place in demand of coal
- C. Coal demand increased
- D. Coal mining was almost stopped
|
| 10 |
World's largest producer of coal is: |
- A. China
- B. Canada
- C. United Kingdom
- D. United States of America
|
