Question # 1

About 85 percent steel refinement work is done by:

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11 countries

20 countries

50 countries

100 countries

In 1980, which country became first in Iron & steel production:

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China

India

Japan

Russia

For smelting (refinement) of one tone of Iron ore:

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10 ton coal is required

Only 5 ton coal is required

2 ton coal is required

Only small amount of coal is required

Iron Age started in the world in:

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1500 B.C

Many thousands years ago

Eighteenth century

Twentieth century

With the help of Bessemer furnace from Pig Iron we:

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Cannot refine high quality steel

Cannot free Pig Iron from phosphorous

Cannot free from sulphur

Could free from all impurities

Pig Iron refined from Iron ore contains:

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Only 10 percent impurities

No impurities

To much impurities

Only 5 percent impurities

Brazil's Iron ore deposits are located at:

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Santa Catarnia

Minas-Geraes

Sao-Paulo

Curumba

In 1874, Japan's first Iron and steel mill was installed:

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In Kita-Kyushu

In Kamashee

In Muroran

In Osaka

Nippon-Kokan steel mill located in Japan:

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Is world's largest steel mill

Is Japan's important steel mill

Is China's largest steel mill

Is not world's largest steel mill

In Iron & steel Industry, U.S.A ranked first

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From 1900-1969

1900-1950

1900-2000

Still ranked first

Iron refinement process of Bessemer, Sir Henary Bessemer:

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Introduce in 1800

Introduce in 1900

Introduce in 1855

Introduce in 1950

The electric process furnaces are installed in world's:

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High backward countries

In those countries where electricity in cheap and surplus

Where electricity production is normal

Where electricity is costly

Before 1350 A.D, Iron & Steel work was done:

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By electric furnaces

By atomic furnaces

By rock coal furnaces

By wood coal furnaces

For preparation of one ton stainless steel:

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Small quantity of water is required

Large quantity of water is required

65 thousands gallon water is required

There is no need of water

In Iron and steel industry up to 1900:

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China was ranking first

U.K was ranking first

U.S.A was ranking first

Germany was ranking first

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