1 |
According to June 2015 estimates, iron ore reserves of the world are: |
190,000 million metric tons
100,000metric tons
50,000metric tons
1000million metric tons
|
2 |
Iron ore, after first stage smelting is called: |
Wrought iron
Cast iron
Pig iron
Raw iron
|
3 |
Iron ore deposits found in Kalabagh (Mianwali) are: |
Magnetite
Haematite
Limonite
Siderite
|
4 |
In haematite iron ore, iron particles content: |
Is 60-70 percent
Is up to 50 percent
Is near about 40 percent
Is up to 45 percent
|
5 |
In magnetite iron ore, iron particles percentage: |
Is up to 60 percent
Is near about 50 percent
Is up to 72.4 percent
Is about 90 percent
|
6 |
From economic point of view, iron ore is useable, which contain iron particles: |
More than 10 percent
At least 20 percent
Up to 30 percent
More than 50 percent
|
7 |
U.S.A' s largest iron ore deposits are located in: |
Alabama & Birmingham state
Lake Superior region
Western mountainous region
Alaska state
|
8 |
China's largest iron ore deposits are located: |
In Manchurian region
In Sin Kiang region
In Yangtze valley
In Se-Kiang region
|
9 |
In the world, China's position in iron ore production is: |
Not very important
Very important
Very unimportant
At third position
|
10 |
In 2001, Brazil' s iron ore production was: |
50 million metric tons
100 million metric tons
125 million metric tons
200 million metric tons
|
11 |
Brazil's largest iron ore deposits are in: |
Minas Geras
Paraba valley
Bahia
Mato Grasso
|
12 |
In the world, Australia ranks in iron ore production: |
At first position
At second position
At fifth position
At not any position
|
13 |
In 2001, world's largest iron ore producer was: |
U.S.A
Russian Federation
Brazil
Australia
|
14 |
During 2001, world's iron ore production was: |
1000 million metric tons
500 million metric tons
580 million metric tons
2000 million metric tons
|
15 |
In 1990, world's largest producer of iron ore was: |
Russia
United States of America
China
India
|