| 1 |
U.S.A's largest iron ore deposits are located in: |
- A. Alabama & Birmingham state
- B. Lake superior region
- C. Western mountainous region
- D. Alaska state
|
| 2 |
In magnetite iron ore, iron particles percentage: |
- A. Is up to 60 percent
- B. Is near about 50 percent
- C. Is up to 72.4 percent
- D. Is about 90 percent
|
| 3 |
According to June 1990 estimates, ironore reserves of the world are: |
- A. 300,000 million metric tons
- B. 100,000 metric tons
- C. 50,000 metric tons
- D. 1000 million metric tons
|
| 4 |
Evolution of modern civilization is dependent upon: |
- A. Agriculture
- B. Minerals
- C. Education
- D. Human effort
|
| 5 |
In the world, China's position in iron ore production is: |
- A. Not very important
- B. Very important
- C. Very unimportant
- D. At third position
|
| 6 |
In France iron ore deposits are located in: |
- A. Lorain valley
- B. Normandi region
- C. The basin of River Lore
- D. Garon region
|
| 7 |
In 2015, world's largest iron ore producer was: |
- A. U.S.A
- B. China
- C. Brazil
- D. Australia
|
| 8 |
During 2015, world's iron ore production was: |
- A. 1000million metric tons
- B. 500million metric tons
- C. 3,320million metric tons
- D. 2000million metric tons
|
| 9 |
In haematite iron ore, iron particles content: |
- A. Is 60-70 percent
- B. Is up to 50 percent
- C. Is near about 40 percent
- D. Is up to 45 percent
|
| 10 |
Iron ore, after first stage smelting is called: |
- A. Wrought iron
- B. Cast iron
- C. Pig iron
- D. Raw iron
|
