Question # 1

In tropical region, coal reserves are:

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Very large

Very very large

Enough large

Very small

Historians believe that coal is first commercially mined in:

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China

United Kingdom

India

United States of America

Anthracite deposits account for how much of global coal deposits?

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5 percent

10 percent

20 percent

80 percent

Commercially significant coal deposits occur in:

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Sedimentary rocks basins

Metamorphicrocks basins

Igniousrocks basins

Plateaurocks basins

In 18th century, due to steel industry & railway in Europe and U.S.A:

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Demand of coal became less

Demand of coal increased steadily

Use of coal increased slowly

No change took place in use of coal

Quality of coal depends upon:

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Carbon content of coal

Hydrogen content of coal

sulphur content of coal

Silicon content of coal

In lignite coal, carbon content may be:

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Only 10 percent

45 - 65percent

Up to 25percent

Up to 90percent

In United Kingdom, use of coal started:

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Before 1000 B.C

In thirteenth century A.D

In 18th century A.D

In 19th century A.D

Among all categories lignite coal its:

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Most superior

Most inferior

Not good quality

Not superior quality

In the continent of South America, coals reserves are:

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20 percent of the total reserves

About 30 percent of total reserves

80 percent of the total reserves

Only 1.6 percent of total reserves

In the earth's crust, coal formation began during carboniferous period which spanned:

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360 to 290 million years before present

500 million years before present

100 million before present

50 million years before present

World's 28 percent reserves of coal are in the continent of:

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North America

Europe

Australia

South America

Which country of the world, possesses largest reserves of coal ?

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China

Russian Federation

United States of America

Brazil

World's huge coal reserves of northern hemisphere are located:

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Between 35°-50° north latitude

Between 5°-10° north latitude

Between 80°-90° north latitude

Between 10°-20° latitude

In bituminous coal, carbon content may be:

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20 percent

50 percent

60-80 percent

30 percent

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