controlling air pollution

the device which chemically produces harmless compounds from harmful car exhaust gases.

• 2 stroke engine

• electrostatic precipitator

• catalytic converter

• fuel tank

Kerosene should not be the preferred choice of cooking fuel in rural areas because

• rationed by government

• good for health

• deteriorates indoor air quality

• very expensive

full form of SPM

• solid particulate matter

• suspended particulate matter

• suspended polluted matter

• all of these

This picture shows people walking through a highly-polluted city in China. From what type of pollution are they protecting themselves based on what they are wearing?

• air pollution
• water pollution
• land pollution
• noise pollution

Electrostatic precipitators can be used to remove this type of air pollutant.

• volatile organic compounds

• sulfur dioxide

• particulate matter

• ground level ozone

It is said, the Taj Mahal may be destroyed due to:

• pollution in Yamuna river.

• decomposition of marble as a result of high temperature.

• air pollutants released from oil refinery of Mathura.

• All of the above

Gases released from power plants mix with water vapor in the sky to make ________________.

• smog

• acid rain

• global warming

• particulate matter

which of these does not happen due to air pollution?

• emphysema

• asthma

• chronic bronchitis

• tuberculosis

in which device flue gas is made to push ip against a down coming water counter currently

• bag filter

• cyclone filter

• wet scrubber

• electrostatic precipitator

Biogas consist mainly carbon dioxide and methane. True/False?

• True

• False