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प्रश्न
Green house effect refers to ______.
विकल्प
cooling of earth
trapping of UV rays
cultivation of plants
warming of earth
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उत्तर
Green house effect refers to warming of earth
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संबंधित प्रश्न
What is biogas?
How is charcoal obtained from wood?
Why is charcoal considered a better fuel than wood?
Describe a fixed dome type biogas plant with the help of a labelled diagram.
The gas released from vehicles exhaust are
- carbon monoxide
- Sulphur dioxide
- Oxides of nitrogen
Which of the following organism produces biogas from cow drug sherry in the biogas plant?
Biogas is formed in the ____________.
Assertion: The major constituent of biogas is methane.
Reason: Biogas is produced by the aerobic degradation by animal wastes like cow ding in the presence of water.
A biogas plant is where biogas is produced by fermenting biomass.
Which one of the following is NOT correct for biogas?
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In Kunjpura village, located in Karnal district, Haryana, Aditya Aggarwal and his older brother Amit Aggarwal run Tee Cee Industries, a steel plant set up by their ancestors in 1984. Along with this, they also run a gaushala that houses 1,200 cows that can no longer produce milk. The cow shelter was manageable but running the steel plant was turning out to be expensive because they spent a whopping Rs 5 lakh every month on electricity. The brothers struck upon an idea. Why not run the factory with the biogas produced from cow dung from the shelter and other gaushalas, along with a bio and agri-waste like sewage, farm waste, etc. This led Aditya and Amit to start Amrit Fertilisers, a biogas project, in 2014, without any government support. |
Biogas is a better fuel than animal dung cake because:
(i) Biogas has a lower calorific value.
(ii) Animal dung cake has a higher calorific value.
(iii) Biogas has a high heating capacity.
(iv) Biogas burns without smoke.
