Question # 1

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%

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

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Jamshedpur

Durgapur

Bhadravati

Bhilai

With the establishment of Blast furnaces:

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Revolutionary changes took place in Iron ore refinement

No prominent change took place

Iron refinement become slow

Minor change took place in Iron refinement

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 & steel Industry, U.S.A ranked first

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From 1900-1969

1900-1950

1900-2000

Still ranked first

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

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

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China

U.S.A

Japan

Russia

About 85 percent steel refinement work is done by:

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11 countries

20 countries

50 countries

100 countries

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°

Iron refinement process of Bessemer, Sir Henary Bessemer:

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Introduce in 1800

Introduce in 1900

Introduce in 1855

Introduce in 1950

In Manchurian Region, China's oldest Iron & steel manufacturing centre is:

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Anshan

Mukden

Wuhan

Chunpking

Pig Iron refined from Iron ore contains:

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Only 10 percent impurities

No impurities

To much impurities

Only 5 percent impurities

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 which year, Russia got first position in Iron & steel production:

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1950

1970

1990

1850

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

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