LCA Final Study Guide With Practice Exam Questions And Correct Answers.
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Course
LCA.
Institution
LCA.
LCA (or LCI) is intended to be _______________________. Which of the following is inappropriate? - correct answer ABSOLUTE
Uncertainty can be reduced or eliminated with more or better data. - correct answer True
Which o...
LCA (or LCI) is intended to be _______________________. Which of the following is inappropriate? -
correct answer ABSOLUTE
Uncertainty can be reduced or eliminated with more or better data. - correct answer
True
Which one of the following statements is true with Zero Emission Vehicles? - correct answer
Zero emission vehicles no tailpipes
How much will it cost to leave a 50-watt light bulb on for 200 hours? Assume you pay $0.10/ kWh -
correct answer 1
The city of Philadelphia has expanded its curbside ______ program to accept all household plastic
containers - correct answer recycling
Choose one (Input or Output or Environmental Impact) in LCA models - correct answer
Global Warming= Environmental Impact
Emission= Output
Electricity= Input
Fossil Fuel depletion= environmental impact
Water= impact
Fuels= input
,wastes= output
Which of the following is an example of variable costs? - correct answer Labor
Which of the following is not a phase of LCA? - correct answer Valuation
Which of the following is not a primary source? - correct answer Textbook
Which of the following is not true for the ISO standard? - correct answer Mandatory
by contract compliance
A household is considering purchasing a washing machine and has narrowed the choice to two models.
The machines' details are given in the following table. Electricity costs 12 cents/kWh.
Washing machine 1
Model: Standard top-loading unit
Purchase cost: $400
Electricity: 2kWh/load
Average Usage: 7 loads/week
Washing machine 2
Model: front loading unit
Purchase Cost: $900
Electricity: 1kWh/load
Average usage: 5 loads/week
Question) Estimate the cost of each machine for a 10-year period. For simplicity, assume each month
has 4 weeks. Which machine should be cheaper? Purchase cost should be included in the calculation. -
correct answer Washing machine 2
, A household is considering purchasing a washing machine and has narrowed the choice to two models.
The machines' details are given in the following table. Electricity costs 12 cents/kWh.
Washing Machine 1:
Model: Standard top-loading unit
Purchase Cost: $400
Electricity 2 kWh/load
Average Usage: 7 loads/week
Washing Machine 2:
Model: Front-Loading unit
Purchase: $900
Electricity: 1 kWh/load
Average usage 5 loads/week
Question) Estimate the cost of each machine for a 1-year period. For simplicity, assume each month has
4 weeks. Which machine should be cheaper? Purchase cost should be included in the calculation. -
correct answer Washing Machine 1
A household is considering purchasing a washing machine and has narrowed the choice to two models.
The machines' details are given in the following table. Electricity costs 12 cents/kWh.
Washing Machine: 1
Model: Standard top-loading unit
Purchase cost: $400
Electricity: 2 kWh/load
Average Usage: 7 loads/week
Washing Machine 2:
Model: Front loading unit
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