Question # 1

In the world, out of total energy, 29.2 percent is being produced from:

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Coal

Petroluem

Natural gas

Hydroelectricity

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

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

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China

Russian Federation

United States of America

Brazil

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

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Africa

Asia

Europe

Australia

In the decade of 1970, due to use of coal in thermal electricity production:

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A dramatic increase took place in use of coal

A small increase took place in use of coal

No change took place in use of coal

Demand of coal decreased slowly

In 19th century, due to use of petroleum and natural gas:

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Demand of coal became less

No change took place in demand of coal

Coal demand increased

Coal mining was almost stopped

In tropical region, coal reserves are:

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Very large

Very very large

Enough large

Very small

Anthracite deposits account for how much of global coal deposits?

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5 percent

10 percent

20 percent

80 percent

World's 80percent coal production consists of:

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Bituminous coal

Lignitecoal

Anthracitecoal

Browncoal

In bituminous coal, carbon content may be:

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20 percent

50 percent

60-80 percent

30 percent

In anthracite coal, pure carbon content is:

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50 percent

25 percent

80 percent

92 to 95 percent

In more than 5000 manufacturings, coal is used as:

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Raw material

Not as a raw material

Can be used as a raw material

Cannot be used as a raw material

Coal, petroleum, natural gas, nuclear energy and solar energy are:

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Important means of energy

Not means of energy

Nominal means of energy

Unimportant means of energy

In peat coal, carbon content may be:

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Up to 20 percent

Up to 30 percent

Up to 80 percent

Up to 70 percent

Historians believe that coal is first commercially mined in:

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China

United Kingdom

India

United States of America

World's 80 percent coal production consists of:

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Bituminous coal

Lignite coal

Anthracite coal

Brown coal

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