14 Jun A sample of refuse is analyzed and found to contain 10% water (measured as weight loss on evaporation)
Question
1. A sample of refuse is analyzed and found to contain 10% water (measured as weight loss on evaporation). The heating value (Btu) of the entire mixture is measured in a calorimeter and is found to be 3000 Btu/lb. A 2.0 gram sample is placed in the calorimeter, and 0.38 grams of ash remains in the sample cup after combustion. What is the moisture- and ash-free heat value?
2. A landfill operation uses a tractor to compact the waste. The tractor weighs 10 tons and has two tracks, each 3 ft by 12 ft. Estimate the maximum compaction attainable in the landfill.
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