Steel slag, a byproduct of the steel industry, is a versatile material with applications in construction (roads, cement), agriculture (soil amendment), and other areas due to its physical and chemical properties.
Steel slag can be the material for which of the following ? 1. Construction of base road 2. Improvement of agricultural soil 3. Production of cement Select the correct answer using the code given below :
Asked in UPSC IAS 2020 · Topic: Environment and Sustainable Development (Renewable Energy Sources and Sustainable Energy Solutions)
More Environment and Ecology questions
- In rural road construction, the use of which of the following is preferred for ensuring environmental sustainability or to reduce carbon footprint ? 1. Copper slag 2. Cold mix asphalt technology 3. Geotextiles 4. Hot mix asphalt technology 5. Portland cement Select the correct answer using the code given below :
- What is the use of biochar in farming? 1. Biochar can be used as a part of the growing medium in vertical farming. 2. When biochar is a part of the growing medium, it promotes the growth of nitrogen-fixing microorganisms. 3. When biochar is a part of the growing medium, it enables the growing medium to retain water for longer time. Which of the statements given above is/are correct?
- How is permaculture farming different from conventional chemical farming? 1. Permaculture farming discourages monocultural practices but in conventional chemical farming, monoculture practices are pre-dominant. 2. Conventional chemical farming can cause increase in soil salinity but the occurrence of such phenomenon is not observed in permaculture farming. 3. Conventional chemical farming is easily possible in semi-arid regions but permaculture farming is not so easily possible in such regions. 4. Practice of mulching is very important in permaculture farming but not necessarily so in conventional chemical farming. Select the correct answer using the code given below.
- Coal, Petroleum and Natural Gas are examples of
- Which province of India is the first to have complete organic farming?
- Which one of the following is the best source of generating electricity in India from the viewpoint of sustainable development ?
- Match List - I with List - II and select the correct answer using the codes given below the lists: List - I List - II
- Which of the following is an example of an environmentally friendly technology used in agriculture ?