matt6817 matt6817

26-05-2023
Mathematics

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A study compares Incandescent, CFL and LED light bulbs. Energy consumption for the 3 bulb types in MJ/20 million lumen-hours is: 15100, 3950 and 1760 The weight of the minerals used in the product specified in g/20 million lumen-hours are: 600, 300 and 200 The study is interested in emissions to the air (CO₂) and emissions to the soil (landfill). The bulbs are sent to a landfill after usage. The following conversion factors are to be used: 1 MJ = 0.28 kWh 1 kWh results in 0.61 lb. of CO2 a. What is the functional unit? b. Life Cycle Inventory per Functional Unit (show formulas)

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