1 |
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
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2 |
In the continent of South America, coals reserves are: |
- A. 20 percent of the total reserves
- B. About 30 percent of total reserves
- C. 80 percent of the total reserves
- D. Only 1.6 percent of total reserves
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3 |
World's largest producer of coal is: |
- A. China
- B. Canada
- C. United Kingdom
- D. United States of America
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4 |
In the world, out of total energy, 29.2 percent is being produced from: |
- A. Coal
- B. Petroluem
- C. Natural gas
- D. Hydroelectricity
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5 |
In tropical region, coal reserves are: |
- A. Very large
- B. Very very large
- C. Enough large
- D. Very small
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6 |
World's 80percent coal production consists of: |
- A. Bituminous coal
- B. Lignitecoal
- C. Anthracitecoal
- D. Browncoal
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7 |
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
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8 |
World's total estimated coal reserves are: |
- A. 891.531 billion metric tons
- B. 5 trillionmetric tons
- C. 10 trillion metric tons
- D. 15 trillion metric tons
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9 |
In peat coal, carbon content may be: |
- A. Up to 20 percent
- B. Up to 30 percent
- C. Up to 80 percent
- D. Up to 70 percent
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10 |
World's 80 percent coal production consists of: |
- A. Bituminous coal
- B. Lignite coal
- C. Anthracite coal
- D. Brown coal
|