Advertisements
Advertisements
प्रश्न
Suggest a safe and efficient method for the disposal of biowastes and sewage materials. How is this method advantageous to us?
उत्तर
Biowastes and sewage can be disposed of by using them in large gas plants to produce biogas and manure.
This method is advantageous to us for the following reasons.
1. It is a safe method for large-scale utilisation of biowaste.
2. The biogas produced can be used as a fuel.
3. Good quality manure can be obtained by this method.
APPEARS IN
संबंधित प्रश्न
Which of the following fuels has the highest calorific value?
(a) natural gas
(b) methane gas
(c) hydrogen gas
(d) biogas
A substance X is added to LPG cylinders while filling so as to make the detection of leakage of LPG from the cylinder easy.
Name the substance X.
What is the function of anaerobic micro-organisms such as anaerobic bacteria in a biogas plant?
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
Fill in the blank
_______is the coal with the highest percentage of coal.
Can you tell?
What are the non-conventional energy resources?
Why should we conserve the non-renewable sources of energy?
Make a list of conventional and non-conventional sources of energy. Give a brief description of harnessing one nonconventional source of energy.
Exhaustible natural resources are
Write True/False against the following statement.
Wildlife is an exhaustible natural resource.
