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 …
- The raw materials used for a product or process.
- All inputs and outputs of 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 analyses all sources of carbon emissions.
- 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 simplifies a life-cycle analysis.
4. TDT1.4
What of these gases makes the biggest contribution to global warming?
- Methane
- Water vapour
- Nitrous oxide
- Carbon dioxide
5. TDT1.5
Which of these gases is the most powerful greenhouse gas?
- Nitrous oxide
- Carbon dioxide
- Methane
- Water vapour