| 1 |
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
|
| 2 |
In 1990, world's largest producer of iron ore was: |
- A. Russia
- B. United States of America
- C. China
- D. India
|
| 3 |
Evolution of modern civilization is dependent upon: |
- A. Agriculture
- B. Minerals
- C. Education
- D. Human effort
|
| 4 |
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
|
| 5 |
In the world, Brazil, Australia, Sweden, Canada, India & South Africa: |
- A. Are iron ore exporting countries
- B. Are not iron ore exporting countries
- C. Can export iron
- D. Are most important iron exporting countries
|
| 6 |
From economic point of view, iron is world's most: |
- A. Useful & cheap metal
- B. Costly metal
- C. Rare metal
- D. Rare available metal
|
| 7 |
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
|
| 8 |
In 2001, world's largest iron ore producer was: |
- A. U.S.A
- B. Russian Federation
- C. Brazil
- D. Australia
|
| 9 |
India's largest iron ore deposits are in: |
- A. Singhbhum
- B. Madhya Pradesh
- C. Maharashtra
- D. Jabalpur
|
| 10 |
From economic point of view, iron ore is useable, which contain iron particules: |
- A. More than 10 percent
- B. At least 20 percent
- C. Up to 30 percent
- D. More than 50 percent
|
