Question # 1

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

For making one ton stainless steel:

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14 pounds manganese is required

No manganese is required

100 poundsmanganese is required

Small amount ofmanganese is required

World's largest Iron & steel manufacturing mill is in:

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China

U.S.A

Japan

Russia

Where does locate the Sao-Paulo's Iron & steel center:

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Argentina

Brazil

Venezuela

Chile

During refinement the temperature of Open-Hearth furnace can be:

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Increase up to 1000 C°

Increased up to 2000 C°

Increased up to 1650 C°

Increased up to 500 C°

Where does India's biggest/largest Iron & steel center located?

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Jamshedpur

Durgapur

Bhadravati

Bhilai

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

U.S.A's largest Iron & steel center is located at:

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Pittsburg

Tolado

Indiana

Adirondacks

About 85 percent steel refinement work is done by:

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11 countries

20 countries

50 countries

100 countries

Is Wrought Iron free from all impurities?

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Not free from all impurities

Free up to some extend

Absolutely free from all impurities

Cannot purify up to 100%

In 1929, U.S.A's first modern Iron & steel mill was established:

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In New York

In Florida

In Massachusetts

In California

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

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From 1900-1969

1900-1950

1900-2000

Still ranked first

Brazil's Iron ore deposits are located at:

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Santa Catarnia

Minas-Geraes

Sao-Paulo

Curumba

According to Alfred Weber's theory, most suitable place for Iron & steel industry is:

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Where coal is easily availabe

Where Pig Iron is easily available

Where limestone is easily available

Where coal & calcium carbonate is available

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

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China

India

Japan

Russia

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