Tag: mineral fuels

Questions Related to mineral fuels

Anthracite coal forms how much percentage of total quantity of coal in the world?

geography mineral and energy resources - ii mineral resources - coal - introduction mining mineral fuels

  1. 5

  2. 10

  3. 12

  4. 14

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Correct Option: A

What percent of the carbon content is present in Lignite coal?

geography mineral and energy resources - ii mineral resources - coal - introduction mining mineral fuels

  1. 90% to 95 %

  2. 70% to 90 %

  3. 40% to 60 %

  4. 30% to 45 %

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Correct Option: C

What percent of the carbon content is present in Peat coal?

geography mineral and energy resources - ii mineral resources - coal - introduction mining mineral fuels

  1. 90% to 95%

  2. 70% to 90%

  3. 40% to 60 %

  4. 30% to 45 %

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Correct Option: C

What colour flame is seen when Lignite coal is burnt?

geography mineral and energy resources - ii mineral resources - coal - introduction mining mineral fuels

  1. Brown

  2. Blue

  3. Yellow

  4. Green

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Correct Option: A
Explanation:

When the Lignite is burnt the flame is in brownish color. Lignite is a low grade brown coal, which is soft with high moisture content.

What is known as Black Diamond?

geography mineral and energy resources - ii mineral resources - coal - introduction mining mineral fuels

  1. Gold

  2. Silver

  3. Coal

  4. Iron

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Correct Option: C
Explanation:

Caol is known as "Black Diamond". This is a fossil fuel which was formed millions of years ago when giant fern and swamps got buried under the layers of the earth. Coal is therefore referred to as "Buried sunshine". Electricity from coal is called "Thermal Power".

What colour flame is seen when Anthracite coal is burnt?

geography mineral and energy resources - ii mineral resources - coal - introduction mining mineral fuels

  1. Black

  2. Green

  3. Blue

  4. Yellow

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Correct Option: C
Explanation:

Anthracite also is the most brittle among coal types. When burned, it produces a very hot, blue flame.

Coal is an example of ___________.

geography mineral and energy resources - ii mineral resources - coal - introduction mining mineral fuels

  1. Igneous rocks

  2. Sedimentary rocks

  3. Metamorphic rocks

  4. None of the above

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Correct Option: B

In India economically exploitable lignite deposits occur at ______.

geography mineral and energy resources - ii mineral resources - coal - introduction mining mineral fuels

  1. Neyveli, Tamil Nadu

  2. Singareni, Andhra Pradesh

  3. Talcher, Odisha

  4. Jharia, Bihar

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Correct Option: A
Explanation:

Lignite is a low grade brown coal, which is soft with high moisture content. The principal lignite reserves are in Neyveli in Tamil Nadu and are used for generation of electricity. 

Gondwana coalfields are found in ________.

geography mineral and energy resources - ii mineral resources - coal - introduction mining mineral fuels

  1. Assam

  2. West Bengal and Jharkhand

  3. Meghalaya

  4. Jammu and Kashmir

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Correct Option: B

Economically exploitable lignite occurs in _______.

geography mineral and energy resources - ii mineral resources - coal - introduction mining mineral fuels

  1. Andhra Pradesh

  2. Tamil Nadu

  3. Karnataka

  4. Kerala

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Correct Option: B