Conservation
Comprehensive notes, formulas, and practice questions for Conservation.
Conservation
Conservation of Fossil Fuels
What you'll learn
- Fossil fuels are exhaustible — must use judiciously.
- Fuel efficiency — better stoves, vehicles, insulation.
- Alternatives — solar, wind, hydro, biogas.
- Reduce, reuse, recycle; switch off engines at signals.
Key concepts
- Why conserve — limited reserves; pollution and climate impact.
- Save fuel — carpool, public transport, CNG vehicles, regular vehicle servicing.
- Efficient appliances — ISI marked LPG stove; pressure cooker saves fuel.
- Renewable alternatives — solar water heater, windmills, biogas from waste.
- Petroleum conservation — Bharat Stage norms; reduce plastic (also saves oil).
- Real world — Odd-even traffic rules; LED bulbs reduce electricity from coal plants.
Worked example
Household plan to reduce LPG use
Step 1 — Use pressure cooker for rice/dal (less time/gas).
Step 2 — Soak lentils before cooking.
Step 3 — Keep flame blue (complete combustion), cover vessels.
Step 4 — Regular burner cleaning — saves ~15–20% fuel.
Common mistakes
- Assuming individual saving doesn't matter (collective impact huge).
- Misconception: renewable energy replaces all needs instantly (transition takes time).
- Leaving vehicle engine idling at long signals wastes fuel.
- Burning plastic for heat (toxic fumes; wastes petrochemical resource).
Quick check
- Why should we conserve fossil fuels?
- Suggest three ways to save petrol/diesel.
- Name two renewable energy sources.
Open the Practice tab for graded questions on Conservation of Fossil Fuels.
Key Takeaways (TL;DR)
- What you'll learn
- Key concepts
- Worked example
- Common mistakes
Master this topic with Drishti OS
Get unlimited mock tests, AI-powered mentorship, and complete video courses when you join.
Start Free Practice