TDT 1.07 Comprehension Test — Chapter 1 Quiz

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.

Inventory refers to …

• The total amount of a product produced.
• All inputs and outputs of a product or process.
• The raw materials used for a product or process.
• The list of the inputs that should be considered in an analysis.

What is the advantage of ‘footprinting’?

• It analyses all sources of carbon emissions.
• It simplifies a life-cycle analysis.
• It allows a comparison of different outputs, such as water use and carbon emissions.
• It includes all environmental impacts of a products or process.

What of these gases makes the biggest contribution to global warming?

• Nitrous oxide
• Methane
• Carbon dioxide
• Water vapour

Which of these gases is the most powerful greenhouse gas?

• Nitrous oxide
• Methane
• Carbon dioxide
• Water vapour