Discussion
Statement I: Briquetting raises the calorific value of a residue.
Statement II: Briquetting raises the bulk density, so a given volume carries far more energy.
In the light of the above statements, choose the correct answer.
Answer: D
The second is correct and it shows why the first is wrong: the energy in a kilogram is unchanged and only the energy in a cubic metre rises. That distinction is what makes transport rather than combustion the real benefit.
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