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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
- What do you think they need petrol and diesel as fuel?
- Which are the vehicles run without petrol and diesel?
What all can vehicles run on?
Manju said, “Why doesn't everyone use a bus?” What do you think, why don’t people travel by bus?
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.
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 |
- What was the difference in the rates of petrol and diesel from 2002 to 2007 and 2007 to 2014?
- Where all is an oil used?
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