Practice Final Flashcards
When is the Design Cycle Done?
Never, but must choose to stop iteration to bring a new technology into being
Would the iphone 11 be an evolutionary or revolutionary product?
Evolutionary
WhT type of project requirement would a law/regulation fall under?
Constraint
When creating a work breakdown structure, how do you know you have sufficiently broken down a project. (Ie when which of these statements have been met would you stop adding more levels)?
When the lowest level task has a clear deliverable, one owner (that owner can assign multiple doers), and is estimated to take a few hours to a few days to complete.
Which of the following is nit a dimension of the united nations human development index HDI?
Industrialization standards
List three dimensions of the united nations human development index
Health dimensions
Education dimensions
Living standard dimensions
If a 75.0 L water bucket is contaminated with 15.0 mg/L of pesticides and then dumped into a drinking reservoir of 9,000 containing no Aldrin, what is the concentration of pesticides in the drinking water?
0.12 mg/L
You are creating a novel water filter and your riskiest assumption is weather the material will degrade with water contact over 100 hours. What type of prototype do you need
Feels like
The triple bottom line does not include which of the following?
Appropriate technology
What is included in the triple bottom line?
Environment impact, societal impact, economic impact
In order to maximize sustainability, life cycle assessment should be done from?
Raw material extraction to end of life
Based on henrys law, as the ocean temperature rise which of the following is true?
The solubility of 02 in water will decrease
And recycling, converting discarded materials into some thing of greater value is known as______, well converting discarded material into lower value, quality, or functionality is known as_________, converting discarded materials into something of equal value is___________.
upcycling, downcycling, closed loop recycling
You have designed a recycling plant that has the first stages is an air classifier, with of the following fractions what is the purity of the heavy glass bin?
Paper: 50 kg/hr Air classifier: 0
Glass: 20 kg/hr Air classifier: 0.9
Ferrous: 20kg/hr Air classifier: 0.15
Plastics: 20kg/hr Air classifier: 0.15
75%
Using the HHV equation, what is the HHV of Toronto’s MSW in kilojoules per kilogram, assuming the composition of their waist is 25% rubber, 50% mixed food waste, and 25% paper. Please select the closest answer.
16790 KJ/kg
What is the HHV of 1 kg waste that is 100% softwood?
17,000 kJ
A waste to energy facility in Oregon converts 1,000,000 kg of MSW per year with an HHV of 17,500 kJ per kilogram, 20% moisture in the garbage and 5% of dry mass is hydrogen to electricity. What is the total of the 1,000,000 kg of waste per year.
16,133,600,000kJ
Global warming occurs when excess greenhouse gases trap additional sunlight and solar radiation that have bounced off earth surface.
True
Which of the following is a component of the ecological footprint?
Productive land for growing crops, productive land for grazing animals, productive land for harvesting timber, productive land for absorbing waste.
What is the definition of bio capacity?
Amount of land and see available on earth to provide the resources to meet demand
What can we conclude from the worlds current carrying capacity?
Our current caring capacity requires 1.7 earths to provide the resources we use and absorb our waste.
The Kaya identity is an application of IPA to carbon emissions from energy sources that allows to predict future use and analyze total omissions over a period of time. Period. Which assumption is made by Kaya?
Exponential growth / decay of population
Exponential growth/ decay of affluence .
Exponential growth/decay of technology
What ethical principle does the ethical philosophy of utilitarianism prioritize?
Beneficence and Nonmaleficence
UBC is in Vancouver campus is situated on the traditional territorial of which indigenous people?
Musqueam
