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प्रश्न
Suggest some ways to save oil.
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उत्तर
Following steps can be taken to save oil:
- Use public transport instead of personal vehicles.
- Prefer walking or cycling if you need to go short distances.
- Switch of the engine of the vehicle on red lights.
- Use solar energy and biogas wherever possible.
- Pulses, rice, etc. should be soaked in water before cooking.
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संबंधित प्रश्न
- Which of the vehicles do you think to give off smoke? Put a red mark on those.
How do your family members go to work from home?
Which states of India have oil fields?
Find out the traffic rules and discuss them in the class.
| How much oil? | Scooter | Car | Tractor |
| How much petrol/diesel can be filled at a time? | |||
| How far can it go on one litre of petrol/diesel? |
The rates of petrol are different in each city. The rates of petrol and diesel in Delhi are given here. Look at the table and answer the questions.
| Oil | Rate of one litre in 2002 (Oct) | Rate of one litre in 2007 (Oct) | Rate of one litre in 2014 (Oct) |
| Petrol | Rs 29.91 | Rs 43.52 | Rs 67.86 |
| Diesel | Rs 18.91 | Rs 30.48 | Rs 58.97 |
- In 2014, as compared to 2007 the rate of petrol went up by ______ rupees. The rate of diesel increased by ______ rupees.
In one month how much petrol and diesel is used in your home? What is it used for?
Who cooks food in your family? What about other families in your area?
If they cook food using wood or upla (cow dung cakes), what difficulties do they face due to smoke?
Imagine that a company has given you a chance to design a new vehicle like a minibus. What kind of vehicle would you design? Write about it. Draw a picture and colour it.
