| 1 |
In the decade of 1970, due to use of coal in thermal electricity production: |
- A. A dramatic increase took place in use of coal
- B. A small increase took place in use of coal
- C. No change took place in use of coal
- D. Demand of coal decreased slowly
|
| 2 |
World's 28 percent reserves of coal are in the continent of: |
- A. North America
- B. Europe
- C. Australia
- D. South America
|
| 3 |
Quality of coal depends upon: |
- A. Carbon content of coal
- B. Hydrogen content of coal
- C. sulphur content of coal
- D. Silicon content of coal
|
| 4 |
In 18th century, due to steel industry & railway in Europe and U.S.A: |
- A. Demand of coal became less
- B. Demand of coal increased steadily
- C. Use of coal increased slowly
- D. No change took place in use of coal
|
| 5 |
Among all categories lignite coal its: |
- A. Most superior
- B. Most inferior
- C. Not good quality
- D. Not superior quality
|
| 6 |
Coal reserves are: |
- A. Exhaustable source of energy
- B. Un-exhautable source of energy
- C. Renewable source of energy
- D. Ever increasing resources of energy
|
| 7 |
In the world, out of total energy, 29.2 percent is being produced from: |
- A. Coal
- B. Petroluem
- C. Natural gas
- D. Hydroelectricity
|
| 8 |
World's 80 percent coal production consists of: |
- A. Bituminous coal
- B. Lignite coal
- C. Anthracite coal
- D. Brown coal
|
| 9 |
World's total estimated resources of coal are: |
- A. 5.0 trillion metric tons
- B. 9.98trillion metric tons
- C. 20.0trillion metric tons
- D. 891.531 billion metric tons
|
| 10 |
In anthracite coal, pure carbon content is: |
- A. 50 percent
- B. 25 percent
- C. 80 percent
- D. 92 to 95 percent
|
