Air Pollution and Environmental Impact
Questions about vehicular emissions, air pollutants, environmental disasters, and the environmental impact of transportation
Questions
1] The following pollutant is not contained in the vehicular exhaust emissions:
- Lead
- Ammonia
- Carbon monoxide
- Particulate matter
2] Environmental friendliness of a vehicle could be measured by the amount of pollutants it emits per passenger per kilometer travelled. Rate the environmental friendliness (1=best & 4=worst) of the following vehicles as per this criterion: Car : scooter : bus : bicycle
- 4:3:2:1
- 2:3:4:1
- 3:2:4:1
- 4:2:3:1
3] Diesel exhaust is the main source of three highly toxic pollutants that have a widespread impact on the urban air quality and human health. Name them
- SPM, Sulphur dioxide and Nitrogen oxides (NOx)
- Suspended particulate matter (SPM), benzene
- Sulphur dioxide, Ammonia, Benzene
- Lead, NOx, CO2
4] Earlier, leaded petrol used to be the most widespread, though easily preventable, source of urban air pollution in the world. According to WHO (World Health Organization), 15–18 million children in the developing countries are already suffering from permanent brain damage due to lead poisoning. Why is tetra-ethyl lead added to petrol?
- It prevents engine knocking
- Reduces vehicular emissions
- Increases life of motor tyres
- None of the above
5] Bhopal gas tragedy struck in the year 1984 due to the leakage of the following gas:
- Methyl-iso-cyanate
- Nitrous oxide
- Methane
- Carbon monoxide
6] SPM stands for
- Suspended Particulate Matter
- Standard Particles Material
- Suspended Particles Material
- None of the above
7] Why would you prefer to ride a bicycle to school rather than your friend’s scooter?
- You get exercise on a bicycle
- You will not pollute
- It is cheaper
- All of the above