Advertisements
Advertisements
प्रश्न
List two advantages of the use of unleaded petrol in automobiles as fuel.
Advertisements
उत्तर
Advantages of unleaded petrol in automobiles as fuel:
- Automobiles equipped with a catalytic converter should use unleaded petrol because lead in the petrol inactivates the catalysts of the converter.
- Use of unleaded petrol prevents the release of poisonous gases (e.g., nitrous oxide) in the environment.
APPEARS IN
संबंधित प्रश्न
Mention two advantages for preferring CNG over diesel as an automobile fuel.
Mention one limitation of the electrostatic precipitator.
Looking at the deteriorating air quality because of air pollution in many cities of the country, the citizens are very much worried and concerned about their health. The doctors have declared the health emergency in the cities where the air quality is very severely poor.
- Mention any two major causes of air pollution.
- Write any two harmful effects of air pollution to plants and humans.
- As a captain of your school Eco-club, suggest any two programmes you would plan to organise in the school so as to bring awareness among the students on how to check air pollution in and around the school.
Choose the correct option
CFC are air polluting agents which are produced by ___________.
Long answer type question
How BS emission standards changed over time? Why is it essential?
Excessive use of pesticides leads to air pollution.
Electrostatic precipitators are used to control
Is it true that carpets and curtains/drapes placed on the floor or wall surfaces can reduce noise level. Explain briefly?
It is a common practice to plant trees and shrubs near the boundary walls of buildings. What purpose do they serve?
Name any four ways to control vehicular air pollution.
