| 1 |
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
|
| 2 |
In lignite coal, carbon content may be: |
- A. Only 10 percent
- B. 45 - 65percent
- C. Up to 25percent
- D. Up to 90percent
|
| 3 |
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
|
| 4 |
In 18th century, due to invention of steam engine & engineering industry: |
- A. Spurred enormous growth in the coal use
- B. Use of coal increased a little
- C. No change took place in coal use
- D. Coal use became less
|
| 5 |
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
|
| 6 |
Among all categories lignite coal its: |
- A. Most superior
- B. Most inferior
- C. Not good quality
- D. Not superior quality
|
| 7 |
In anthracite coal, pure carbon content is: |
- A. 50 percent
- B. 25 percent
- C. 80 percent
- D. 92 to 95 percent
|
| 8 |
In more than 5000 manufacturings, coal is used as: |
- A. Raw material
- B. Not as a raw material
- C. Can be used as a raw material
- D. Cannot be used as a raw material
|
| 9 |
World's huge coal reserves of northern hemisphere are located: |
- A. Between 35°-50° north latitude
- B. Between 5°-10° north latitude
- C. Between 80°-90° north latitude
- D. Between 10°-20° latitude
|
| 10 |
Coal reserves of Europe and Russian Federation are, world's total reserves: |
- A. 20 percent
- B. 30percent
- C. 50percent
- D. 44percent
|
