Advertisements
Advertisements
प्रश्न
Why are fossil fuels called non-renewable sources of energy?
Advertisements
उत्तर
Fossil fuels (coal, petrol, diesel etc.) are exhaustible i.e. if these are once finished can not be regenerated over a reasonable period of time. That is why fossil fuels are called non-renewable sources of energy.
APPEARS IN
संबंधित प्रश्न
What is meant by a non-renewable source of energy? Give two examples of non-renewable source of energy.
A good fuel is one which possesses:
(a) high calorific value and low ignition temperature
(b) high calorific value and high ignition temperature
(c) high calorific value and moderate ignition temperature
(d) low calorific value and moderate ignition temperature
Suggest a safe and efficient method for the disposal of biowastes and sewage materials. How is this method advantageous to us?
Name the major component of biogas.
What type of nuclear reaction is responsible for the liberation of energy:
in a nuclear reactor?
Fill in the blank
_______is the coal with the highest percentage of coal.
Choose the correct answer.
The coal that has the highest percentage of carbon is
Can you tell?
Why should we save energy?
Which among the following is the non-renewable resources?
Make a list of conventional and non-conventional sources of energy. Give a brief description of harnessing one nonconventional source of energy.
