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ENEC 201 Final Exam Questions and answers 2025.
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ENEC 201 Final Exam Questions and answers 2025.
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ENEC 201 Final Exam Questionsand answers 2025
Innovation to boost soil fertility - answer 1. Covercropping
2. Microdosing Fertilizer
3. Using Waste Water for Irrigation
4. reintegrating livestock
5 preventing nitrogen leaching
Article by Adam Zelenski
How much food is wasted each year and how? - answer 30-40 percent in
developing and developed
Developing nations lose through pre-retail and developed lose through
retail/home stage
Problems with GMO's - answer Companies follow trends of people: people
want nonGmo's
Only real prob: GMO crops can escape fields and grow/breed in unintended
areas
Also GMO companies sell seeds that don't reproduce so farmers are reliant
on buying seeds each year
Why are insects important - answer Potential food for future
2 billion people world wide eat insects
they are rich in protein, unsaturated fatty acids, amino acids, vitamins,
and minerals
Five Pillars of Utility ( energy democracy) - answer flexible
efficient
low-carbon
,local
equitable
(from article: ELectricity's un-natural monopoly)
Fossil Fuel Subsidies and results - answer 5 trillion dollars a year
discourages investment in renewable energy that compete with subsidized
fossil fuels
State Renewable Portfolio Standards (RPS) and results - answer require
utilities to ensure that a % of electricity they sell comes from renewable
energy
Results: diversify energy resources
promote domestic energy production
encourage economic development
Federal Energy Regulatory Commission(FERC) - answer independent
agency that regulates the interstate transmission of electricity, natural
gas and oil
also reviews proposals to build liquefied natural gas terminals and
interstate natural gas pipelines as well as licensing hydropower projects.
How can states accelerate clean energy momentum - answer 1 adopt
policies supporting multiple dimensions of progress
2 facilitate business involvement
3 improve energy equity
4 advocate for federal action
Also research and development are key in innovation, deployment and
cost reductions
Job creation is a powerful reason for enthusiasm about clean energy
, Use for batteries - answer balancing grid supply and demand
storing and smoothing renewable generation
deferring large infrastructure investments
back up power
What are VPP and their benefits - answer litium-ion batteries with
software that can connect far-flung energy resources. Basically a network
of energy resources
benefits:
1. lower cost than traditional power plants (150% profit increase)
2. more flexibility
3. reduction of emissions
4. lower energy loss
What are peroskites? - answer solar cells that are flexible and easy to
produce. Can be sprayed on surfaces
Prob: still being tested and designed
Organic Solar Cells - answer lighter, thinner and more flexible than regular
cells making them more versatile
don't generate as much electricity and can be less durable
Energy Storage Technologies - answer 1. Pumped hydrogen
2 Compressed air
3 flow batteries
4 sealed batteries
5 fly wheels
6 thermal storage
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