230504 - PLM

Question 1

Critics of Environmental Footprint method

Answer 1

• Densely populated areas - appear to be parasitic
• Rewards replacement of artificial resources instead of keeping the natural ones.

Question 2

Ecological Rucksack

Answer 2

MIPS: Material Input per Unit of Service (product or service, 1kWh for example)
MI: Material Input
MIT: Material intensity, in relation with a standard unit (kg, hr)
Total weight of natural material (rohstoffe) disturbed in production of a product - minus weight of the product itself

Question 3

MIPS categories

Answer 3

1. Abiotic raw materials.
2. Biotic raw materials.
3. Water.
4. Air (combustion, chemical and physical transformation)
5. Movements in agriculture and silviculture (mechanical earth energy, erosion)

Question 4

LCA

Answer 4

Life cycle assessment
considers the raw materials, processing, manufacturing, transport and distribution, use and dispposal
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* time gap
* boundary conditions
* impacts of interest
* consider cradle-to-grave alternatives

Question 5

Difference between the measurements of environmental impact

Question 6

LCA

Answer 6

DIN ISO 14040
Compiling and Evaluating the inputs and outputs and the potential impacts during its lifetime

Question 7

Steps of the process

Answer 7

1. Goal
2. Scope
3. Inventory
4. Impact assessment
5. Interpretation
6. Report
7. cRitical review
   gsIIIRR