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(Solved): ENR | QUIZ 4: ISO Standard and Gathering Data...


Score for this attempt: 10 out of 10
Submitted Feb 9 at 10:47pm
This attempt took 56 minutes.

Question 1
Consider an LCA that seeks to compare the green house gas emissions between an e-reader (tablet) and printed book. What would be an appropriate result of an LCI?   

  • Collect/store pages of printed/digital text   
  • Energy use per page of printed/digital text 
  • GHG emissions per page of printed/digital text
  • 1 page of printed/digital text

Question 2
You have determined that collecting data on one outflow from your system is impossible. What option(s) do you have to complete an LCA?

  •   Ignore the outflow and proceed as if it didn’t exist
  •  Modify your study goals to address the lack of data
  •  Give up, an LCA is not possible
  •  Adjust the system boundary to only consider the waste management phase

 

Question 3
Consider an LCA that seeks to compare the green house gas emissions between an e-reader (tablet) and printed book. What would be an appropriate functional unit?

  • 1 page of printed or digital text
  • GHG emissions per page of printed/digital text
  • Energy use per page of printed/digital text
  • Collect/store pages of printed/digital text

 
Question 4
Which of the following should be specified when determining the quality of the data you will collect:

  • The location where the data was collected
  • The type of technology that was used to collect the data
  • All of these factors should be specified
  • The age of the data

 

Question 5
Which of the following is NOT a study design parameter of ISO LCA framework?

  • System boundary
  • LCA results
  • Functional unit
  • LCIA method used

 
 Question 6
Life cycle inventory studies (LCIs) differ from LCAs in that they do not usually consider which of the following phases:

  • Impact assessment
  • Inventory analysis
  • Interpretation
  • Goal and scope definition

  
Question 7
What is missing in the following goal statement? “The goal of this study is to do a life cycle assessment of a computer to be used by our company for future design efforts.”

  • The audience
  • The reason for carrying out the study
  • The intended application  
  • Whether the results will be used in comparative assertions released publicly

 
Question 8
The assignment of specific quantities of energy inputs to the various products of a process takes place in which step of the inventory analysis?

  • Step 2 - Data Collection
  • Step 5 - Translating Data to the Unit Process
  • Step 4 - Data Allocation
  • Step 3 - Data Validation
  • Step 1 - Preparation for data collection based on goal and scope

 
 Question 9
When conducting an LCA on competing products, it is commonly accepted that the difference in the results for the products much be greater than what percentage for the difference to be deemed significant?

  • 10%
  • 15%
  • 25%
  • 5%

 
Question 10
An example of a database for a life cycle inventory values that is publically accessible and free is:

  • GaBi
  • SimaPro
  • ecoinvent
  • BEES


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