Question # 1

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 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

World's largest producer of coal is:

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China

Canada

United Kingdom

United States of America

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

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Africa

Asia

Europe

Australia

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

Among all categories lignite coal its:

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Most superior

Most inferior

Not good quality

Not superior quality

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

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

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

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Coal

Petroluem

Natural gas

Hydroelectricity

World's total estimated coal reserves are:

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891.531 billion metric tons

5 trillionmetric tons

10 trillion metric tons

15 trillion metric tons

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

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North America

Europe

Australia

South America

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

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

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