Life Cycle Assessments - Paper 1

Question 1

What is the correct order for the stages of a life cycle assessment?

A - Using the product
B - Manufacturing and packaging the product
C - Disposing of the product
D - Extracting and processing the raw materials

Answer 1

D, B, A, C

D - Extraction and processing of raw materials
B - Manufacture and packaging of product
A - Use of product
C - Disposal of product

Question 2

Give the 4 stages of a lifecycle assessment

Answer 2

Extraction and processing of raw materials
Manufacture and packaging of product
Use of product
Disposal of product

Question 3

Aluminium cans can be manufactured from recycled aluminium or from new aluminium. Which two processes are avoided when manufacturing cans from recycled aluminium?

Answer 3

Separating the aluminium using electrolysis
Mining the aluminium ore from the ground

Question 4

Give 2 limitations of life cycle assessments

Answer 4

It is difficult to gather all of the required data about each step
Companies can manipulate their LCAs to look more favourable