1 |
At present world's 36.1 percent energy needs are met by: |
Coal
Mineral oil
Natural gas
Nuclear energy
|
2 |
Commercially significant coal deposits occur in: |
Sedimentary rocks basins
Metamorphicrocks basins
Igniousrocks basins
Plateaurocks basins
|
3 |
World's largest producer of coal is: |
China
Canada
United Kingdom
United States of America
|
4 |
Which country of the world, possesses largest reserves of coal ? |
China
Russian Federation
United States of America
Brazil
|
5 |
In the world, coal reserves are present: |
In 50 countries
In 70countries
In 100countries
In 150countries
|
6 |
World's total estimated resources of coal are: |
5.0 trillion metric tons
9.98trillion metric tons
20.0trillion metric tons
891.531 billion metric tons
|
7 |
World's total estimated coal reserves are: |
891.531 billion metric tons
5 trillionmetric tons
10 trillion metric tons
15 trillion metric tons
|
8 |
World's percent coal reserves are present in the continent of: |
Africa
Asia
Europe
Australia
|
9 |
In the continent of South America, coals reserves are: |
20 percent of the total reserves
About 30 percent of total reserves
80 percent of the total reserves
Only 1.6 percent of total reserves
|
10 |
World's 28 percent reserves of coal are in the continent of: |
North America
Europe
Australia
South America
|
11 |
Coal reserves of Europe and Russian Federation are, world's total reserves: |
20 percent
30percent
50percent
44percent
|
12 |
In tropical region, coal reserves are: |
Very large
Very very large
Enough large
Very small
|
13 |
World's huge coal reserves of northern hemisphere are located: |
Between 35°-50° north latitude
Between 5°-10° north latitude
Between 80°-90° north latitude
Between 10°-20° latitude
|
14 |
In the world, out of total energy, 29.2 percent is being produced from: |
Coal
Petroluem
Natural gas
Hydroelectricity
|
15 |
In peat coal, carbon content may be: |
Up to 20 percent
Up to 30 percent
Up to 80 percent
Up to 70 percent
|