- 1(current)
Q. No.Q.2 According to the Central Pollution Control Board, particles that are responsible for causing great harm to human health are of a diameter
1. 2.50 micrometers
2. 5.00 micrometers
3. 10.00 micrometers
4. 7.5 micrometers
Q.10 Among the following which one causes more indoor chemical pollution?
1. Burning coal
2. Burning mosquito coil
3. Burning cooking gas
4. Room spray
Match correctly the following and choose the correct option :
| A. | Environment Protection Act | 1. | 1974 |
| B. | Air Prevention and Control of Pollution Act | 2. | 1987 |
| C. | Water Act | 3. | 1986 |
| D. | Amendment of Air Act to include noise | 4. | 1981 |
The correct matches are
| A | B | C | D | |
| 1. | 3 | 4 | 1 | 2 |
| 2. | 1 | 3 | 2 | 4 |
| 3. | 4 | 1 | 2 | 3 |
| 4. | 3 | 4 | 2 | 1 |
Q.15 Catalytic converters are fitted into automobiles to reduce the emission of harmful gases. Catalytic converters change unburnt hydrocarbons into
1. carbon dioxide and water
2. carbon mono oxide
3. methane
4. carbon dioxide and methane
Why is it necessary to remove sulfur from petroleum products?
| 1. | To reduce the emission of sulfur dioxide in exhaust fumes |
| 2. | To increase the efficiency of automobiles engines |
| 3. | To use sulfur removal from petroleum for commercial purposes |
| 4. | To increase the life span of engine silencers |
- 1(current)
Q. No.
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