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Virendra Yadav
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Asked: 2023-04-27T09:49:46+00:00 In:

Read the following statements about coals. I. Lignite coals can be used in thermal power plants II. Super-anthracite coal are best for thermal power plants a) Only I is correct b) Only II is correct c) I and II are correct d) I and II are incorrect

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Read the following statements about coals. I. Lignite coals can be used in thermal power plants II. Super-anthracite coal are best for thermal power plants a) Only I is correct b) Only II is correct c) I and II are correct d) I and II are incorrect
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    10 Answers

    1. Answer: a
      Explanation: Lignite have 30 to 50% moisture and 20 to 40% carbon content and can be used in power generation. Super-anthracite coals are very hard with shiny black surface. It is non cooking and is very difficult to ignite and so, it has little importance in power generation.

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    3. Answer: a
      Explanation: Lignite have 30 to 50% moisture and 20 to 40% carbon content and can be used in power generation. Super-anthracite coals are very hard with shiny black surface. It is non cooking and is very difficult to ignite and so, it has little importance in power generation.

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    4. Answer: a

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    6. a) Only I is correct

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    7. Answer: a

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    9. a) Only I is correct

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    10. Answer: a

      Explanation: Lignite have 30 to 50% moisture and 20 to 40% carbon content and can be used in power generation. Super-anthracite coals are very hard with shiny black surface. It is non cooking and is very difficult to ignite and so, it has little importance in power generation.

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    12. a) Only I is correct

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    13. Answer: a
      Explanation: Lignite have 30 to 50% moisture and 20 to 40% carbon content and can be used in power generation. Super-anthracite coals are very hard with shiny black surface. It is non cooking and is very difficult to ignite and so, it has little importance in power generation.

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    15. Answer: a
      Explanation: Lignite have 30 to 50% moisture and 20 to 40% carbon content and can be
      used in power generation. Super-anthracite coals are very hard with shiny black surface.
      It is non cooking and is very difficult to ignite and so, it has little importance in power
      generation.

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