- Non-conventional energy sources are alternatives to fossil fuels. - The defining characteristic is renewability.
Non-conventional energy sources are those energy sources, that are -
Asked in UPPCS Prelims 2023 · Topic: Non-Conventional Energy (Biomass Energy: Biofuels (bioethanol, biodiesel, biogas) and waste-to-energy)
More Environment and Ecology questions
- Biogas is considered to be an excellent fuel which burns without smoke. The main constituent of biogas is :
- With reference to the usefulness of the by- products of sugar industry, which of the following statements is/are correct? 1. Bagasse can be used as biomass fuel for the generation of energy. 2. Molasses can be used as one of the feedstocks for the production of synthetic fertilizers. 3. Molasses can be used for the production of ethanol. Select the correct answer using the codes given below.
- With reference to two non-conventional energy sources called 'coalbed methane' and 'shale gas', consider the following statements : 1. Coalbed methane is the pure methane gas extracted from coal seams, while shale gas is a mixture of propane and butane only that can be extracted from fine- grained sedimentary rocks. 2. In India, abundant coalbed methane sources exist, but so far no shale gas sources have been found. Which of the statements given above is/are correct?
- In India, cluster bean (Guar) is traditionally used as a vegetable or animal feed, but recently the cultivation of this has assumed significance. Which one of the following statements is correct in this context?
- It is possible to produce algae based biofuels, but what is/are the likely limitation(s) of developing countries in promoting this industry ? 1. Production of algae based biofuels is possible in seas only and not on continents. 2. Setting up and engineering the algae based biofuel production requires high level of expertise/technology until the construction is completed. 3. Economically viable production necessitates the setting up of large scale facilities which may raise ecological and social concerns. Select the correct answer using the code given below :
- In the context of which one of the following are the terms 'pyrolysis and plasma gasification' mentioned?
- According to India's National Policy on Biofuels, which of the following can be used as raw materials for the production of biofuels ? 1. Cassava 2. Damaged wheat grains 3. Groundnut seeds 4. Horse gram 5. Rotten potatoes 6. Sugar beet Select the correct answer using the code given below :
- Sugar beet: Sugar crop, explicitly listed as a potential feedstock for ethanol. 34. With reference to 'palm oil', consider the following statements : 1. The palm oil tree is native to Southeast Asia. 2. The palm oil is a raw material for some industries producing lipstick and perfumes. 3. The palm oil can be used to produce biodiesel. Which of the statements given above are correct?