| 1 |
During refinement the temperature of Open-Hearth furnace can be: |
- A. Increase up to 1000 C°
- B. Increased up to 2000 C°
- C. Increased up to 1650 C°
- D. Increased up to 500 C°
|
| 2 |
Nippon-Kokan steel mill located in Japan: |
- A. Is world's largest steel mill
- B. Is Japan's important steel mill
- C. Is China's largest steel mill
- D. Is not world's largest steel mill
|
| 3 |
Before 1350 A.D, Iron & Steel work was done: |
- A. By electric furnaces
- B. By atomic furnaces
- C. By rock coal furnaces
- D. By wood coal furnaces
|
| 4 |
In 1929, U.S.A's first modern Iron & steel mill was established: |
- A. In New York
- B. In Florida
- C. In Massachusetts
- D. In California
|
| 5 |
In 1980, which country became first in Iron & steel production: |
- A. China
- B. India
- C. Japan
- D. Russia
|
| 6 |
In Iron and steel industry up to 1900: |
- A. China was ranking first
- B. U.K was ranking first
- C. U.S.A was ranking first
- D. Germany was ranking first
|
| 7 |
For smelting (refinement) of one tone of Iron ore: |
- A. 10 ton coal is required
- B. Only 5 ton coal is required
- C. 2 ton coal is required
- D. Only small amount of coal is required
|
| 8 |
The electric process furnaces are installed in world's: |
- A. High backward countries
- B. In those countries where electricity in cheap and surplus
- C. Where electricity production is normal
- D. Where electricity is costly
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| 9 |
In Manchurian Region, China's oldest Iron & steel manufacturing centre is: |
- A. Anshan
- B. Mukden
- C. Wuhan
- D. Chunpking
|
| 10 |
With the establishment of Blast furnaces: |
- A. Revolutionary changes took place in Iron ore refinement
- B. No prominent change took place
- C. Iron refinement become slow
- D. Minor change took place in Iron refinement
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