1 |
World's 80 percent coal production consists of: |
- A. Bituminous coal
- B. Lignite coal
- C. Anthracite coal
- D. Brown coal
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2 |
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
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3 |
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
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4 |
In more than 5000 manufacturings, coal is used as: |
- A. Raw material
- B. Not as a raw material
- C. Can be used as a raw material
- D. Cannot be used as a raw material
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5 |
Which country of the world, possesses largest reserves of coal ? |
- A. China
- B. Russian Federation
- C. United States of America
- D. Brazil
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6 |
In anthracite coal, pure carbon content is: |
- A. 50 percent
- B. 25 percent
- C. 80 percent
- D. 92 to 95 percent
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7 |
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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8 |
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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9 |
In tropical region, coal reserves are: |
- A. Very large
- B. Very very large
- C. Enough large
- D. Very small
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10 |
In 18th century, due to steel industry & railway in Europe and U.S.A: |
- A. Demand of coal became less
- B. Demand of coal increased steadily
- C. Use of coal increased slowly
- D. No change took place in use of coal
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