Tag: science & technology

The following pollutant is not contained in the vehicular exhaust emissions:

Environmental friendliness of a vehicle could be measured by the amount of pollutants it emits per passenger per kilometre travelled.Rate the environmental friendliness (1=best & 4=worst) of the following vehicles as per this criterion: Car : scooter : bus : bicycle

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

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?

Bhopal gas tragedy struck in the year 1984 due to the leakage of the following gas:

SPM stands for

Why would you prefer to ride a bicycle rather than your friend’s scooter?

Health problems related to air pollution include:

A device is fitted to motor vehicles to chemically reduce some gases produced by internal combustion engines like NOx, CO, and HC into less harmful products. Name this device.

Following is the most widely discussed impact of climate change: