Final Exam Practice MCQ Flashcards
When is the Design Cycle done?
a) When the ideal solution has been found
b) Never, but must choose to stop iteration to bring a new technology into being
c) When you have either confirmed or proven incorrect your research hypothesis
d) After one full cycle
b) Never, but must choose to stop iteration to bring a new technology into being
- Would the Iphone 11 be an evolutionary or revolutionary product?
a) Evolutionary
b) Revolutionary
a) Evolutionary
What type of project requirement would a law/regulation fall under?
a) Function
b) Objective
c) Constraint
d) None of the above
c) Constraint
When creating a Work Breakdown Structure, how do you know you have sufficiently broken
down a project (i.e. when which of theses statements have been met would you stop
adding more levels)?
a) After three levels
b) After four levels
c) 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
d) When the lowest level task has a clear deliverable, one person doer (person doing
the entire task), and is estimated to take a few hours to a few days to complete
e) None of the above
c) 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 not a dimension of the United Nations Human Development Index
(HDI)?
a) Health Dimension
b) Education Dimension
c) Living Standard Dimension
d) Industrialization Dimension
d) Industrialization Dimension
If a 75.0 L water bucket is contaminated with 15.0 mg/L of Pesticide (Aldrin) and then
dumped into a drinking reservoir of 9,000 L containing no Aldrin, what is the concentration
of Pesticide in the drinking reservoir in mg/L?
a) 0.08 mg/L
b) 0.12 mg/L
c) 0.15 mg/L
d) 0.21 mg/L
e) 0.25 mg/L
b) 0.12 mg/L
You are creating a novel water filter and your riskiest assumption is whether the material
will degrade with water contact over 100 hours. What type of prototype will you need to
test your riskiest assumption?
a) Works-like
b) Feels-like
c) Is-like
d) Looks-like
e) Is-like/Looks-like
b) Feels-like
The triple bottom line does not include which of the following
a) Environmental impact
b) Appropriate Technology
c) Economic Impact
d) Societal Impact
b) Appropriate Technology
In order to maximize sustainability, Life cycle assessments should be done from
a) manufacturing to use
b) raw material extraction to end of life
c) use to end of life
d) manufacturing to end of life
e) raw material extraction to use
b) raw material extraction to end of life
Based on Henry’s Law, as the ocean temperatures rise which of the following is true
a) Solubility of O 2 in water will increase
b) Solubility of O 2 in water will decrease
c) The amount of O 2 in the water will not change
b) Solubility of O 2 in water will decrease
In recycling, converting discarded materials into something of greater value is known
as _______, while converting discarded materials into something of lower value, quality or
functionality is known as _________, while converting discarded materials into something
of equal value is knowns as __________.
a) downcycling, upcycling, closed-loop recycling
b) closed-loop recycling, downcycling, upcycling
c) closed-loop recycling, upcycling, downcycling
d) downcycling, closed-loop recycling, upcycling
e) upcycling, downcycling, closed-loop recycling
e) upcycling, downcycling, closed-loop recycling
You have designed a recycling plant and the first stage is an air classifier with the following
f-fractions. What is the purity of the heavy glass bin?
Materials | Input Feed | Air Classifier
Paper | 50 kg/hr | 0
Glass | 20 kg/hr | 0.9
Ferrous | 20 kg/hr | 0.15
Plastics | 20 kg/hr | 0.15
a) 50%
b) 60%
c) 75%
d) 90%
e) 100%
c) 75%
Using the HHV equation, what is the HHV of Toronto’s MSW in KJ per kg, assuming the
composition of their waste is 25% rubber, 50% mixed food waste, and 25% paper. Please
select the closest answer.
a) 16540 KJ/kg
b) 165.4 KJ/kg
c) 16790 KJ/kg
d) 167.9 KJ/kg
e) 17040 KJ/kg
f) 170.4 KJ/kg
c) 16790 KJ/kg
A waste to energy facility in Oregon converts 1 million kg of MSW per year with an HHV of
17,500 KJ/kg, 20% moisture in the garbage and 5% of dry mass is hydrogen to electricity.
What is the total LHV of the 1 million kg of waste per year?
a) 10,133,600,000 K
b) 12,133,600,000 KJ
c) 14,133,600,000 KJ
d) 16,133,600,000 KJ
d) 16,133,600,000 KJ
What is the HHV of 1kg waste that is 100% softwood?
a) 15,000 KJ
b) 15,800 KJ
c) 16,790 KJ
d) 17,000 KJ
d) 17,000 KJ
