Question # 1

World's 80percent coal production consists of:

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Bituminous coal

Lignitecoal

Anthracitecoal

Browncoal

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

Black colour of coal is due to its:

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Carbon content

Hydrogen content

Sulphur content

Phosphorous content

Coal reserves are:

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Exhaustable source of energy

Un-exhautable source of energy

Renewable source of energy

Ever increasing resources of energy

Commercially significant coal deposits occur in:

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Sedimentary rocks basins

Metamorphicrocks basins

Igniousrocks basins

Plateaurocks basins

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

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China

Russian Federation

United States of America

Brazil

Among all categories lignite coal is:

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Most superior

Most inferior

Not good quality

Not superior quality

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

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Africa

Asia

Europe

Australia

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

World's 80 percent coal production consists of:

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Bituminous coal

Lignite coal

Anthracite coal

Brown coal

If we continue to use coal at this rate, its reserves are enough for:

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50 years only

100 years

1000 years

300-400 years

In 18th century, due to invention of steam engine & engineering industry:

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Spurred enormous growth in the coal use

Use of coal increased a little

No change took place in coal use

Coal use became less

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 anthracite coal, pure carbon content is:

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50 percent

25 percent

80 percent

92 to 95 percent

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