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प्रश्न
Why is charcoal considered better fuel than wood?
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उत्तर
Charcoal is considered a better fuel than wood because of the
following reasons:
- Calorific value of charcoal is higher than the calorific value of wood.
- It produces no smoke.
- It burns easily without any flame.
संबंधित प्रश्न
Which of the following fuels has the highest calorific value?
(a) natural gas
(b) methane gas
(c) hydrogen gas
(d) biogas
Complete the following sentence:
Domestic gas cylinders like Indane contain mainly ..............
Why is LPG considered a better fuel than coal?
Which fossil fuels were formed by the buried remains of small plants and animals?
The source of energy of the sun is:
(a) conversion of hydrogen gas into helium
(b) conversion of carbon fuel into carbon dioxide
(c) burning of hydrogen gas present in the sun
(d) disintegration of uranium into barium and krypton
How long are the energy resources of the earth like coal, petroleum and natural gas expected to last?
The world's known coal reserves are expected to last for about:
(a) 200 years
(b) 400 years
(c) 500 years
(d) 100 years
State whether the following is True or False.
Coal and petroleum are renewable energy resources.
Which part of the solar cooker is responsible for greenhouse effect?
What is non-renewable resources?
