The Decision Tree
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TDT 1.07 Comprehension Test — Chapter 1 Quiz
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1. TDT1.1
A life-cycle analysis (LCA) should include …
Only the factors specified in the ‘Scope’.
Only carbon dioxide emissions.
Energy use, water use, and greenhouse gas emissions.
All environmental impacts of a product or process.
2. TDT1.2
Inventory
refers to …
All inputs and outputs of a product or process.
The raw materials used for a product or process.
The total amount of a product produced.
The list of the inputs that should be considered in an analysis.
3. TDT1.3
What is the advantage of ‘footprinting’?
It simplifies a life-cycle analysis.
It includes all environmental impacts of a products or process.
It allows a comparison of different outputs, such as water use and carbon emissions.
It analyses all sources of carbon emissions.
4. TDT1.4
What of these gases makes the biggest contribution to global warming?
Water vapour
Carbon dioxide
Methane
Nitrous oxide
5. TDT1.5
Which of these gases is the most powerful greenhouse gas?
Methane
Carbon dioxide
Nitrous oxide
Water vapour