List three examples of energy production and use practices that you think are unsustainable. Write a short paragraph for each explaining why they are unsustainable and how we might make each of them more sustainable.
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List three examples of energy production and use practices that you think are unsustainable. Write a short paragraph for each explaining why they are unsustainable and how we might make each of them more sustainable.
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- CHOOSE THE BEST ANSWER, THANK YOU! 1. The work of ___________ engineers includes the design of water treatment and waste water treatment plants, development of systems for handling non-hazardous and hazardous wastes, development of pollution control measures and cleanup of contaminated sites. a. Foundation b. Project c. Environmental d. Geotechnical 2. Land and raw materials that exist naturally in the environment undisturbed by humans. a. Land Pollution b. Renewable Resource c. Non-renewable Resource d. Natural Resources 3. An essential energy of all non-conventional sources but its usage amount is very less. It is the most important non-conventional source of energy and it gives non-polluting environment-friendly output and is available in abundant. a. Tidal Energy b. Wind Energy c. Geothermal Energy d. Solar Energy 4. One of the most important components of economic infrastructure. a. Energy b. Fuel c. Coal d. Biomass 5. It prefers areas, where winds are stronger…i) Can you think of energy sources for water-supply systems in poor communities in a different way? ii) Investigate the quality of water through storage and sedimentation.4. What fuels are used to power fossil-fuel electric-generating plants?
- Define air pollution. Define combustion. What are the consequences of increasing CO2 in the atmosphere? Give 5 activities that you can do that may result to air pollution.Explain sustainable solution based on renewable energy, rain harvesting and recycling.Q4. i. Suggest three renewable energy sources for meeting the electricity demand in large buildings. ii. List the advantages and disadvantages of each of them.
- * Define air pollution sources * What is the most common source of carbon emissions in American transportation?Explain the pros and cons of using natural surface water as source of water for domestic use.You are considering purchasing a compact washing machine, and you have the following information: • The Energy Guide claims an estimated yearly electricity use of 350 kW-hrs, based on 8 loads of laundry being washed per week. • The Energy Guide claims an estimated yearly operating cost of $38. This estimate is based on $0.1065 per kW-hr, and eight loads of laundry being washed per week. • Local electricity costs $0.086 per kW-hr. • You wash four loads of laundry per week. Based on this information, first calculate the energy that would be used by this compact washing machine in a year. Then calculate the yearly energy cost. $3.27 $15.34 $19.00 $178.40
- Explain how waste-to-energy incineration for MSW treatment emits anthropogenic GHG and formulate the calculation for its CO2-e emission factorWhat is environmental and energy engineering about and what are its functions and outputs?Consider a 400-MW, 32 percent efficient coal-fired power plant that uses cooling water withdrawn from a nearby river (with an upstream flow of 10-m3/s and temperature 20 °C) to take care of waste heat. The heat content of the coal is 8,000 Btu/lb, the carbon content is 60% by mass, and the sulfur content is 2% by mass. How much electricity (in kWh/yr) would the plant produce each year? How many pounds per hour of coal would need to be burned at the plant? Estimate the annual carbon emissions from the plant (in metric tons C/year). If the cooling water is only allowed to rise in temperature by 10 °C, what flow rate (in m3/s) from the stream would be required? What would be the river temperature if all the waste heat was transferred to the river water assuming no heat losses during transfer? Estimate the hourly SO2 emissions (in kg/h) from the plant assuming that all the sulfur is oxidized to SO2 during combustion.