Term
What are the three primary geothermal technologies? |
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Definition
-Geothermal reservoir extraction
-Heat pump technology
-Enhanced geothermal technology
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Term
Enhanced geothermal technology, explain? |
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Definition
Tap the heat contained in underground rocks
Inject cold water underground, let it get heated, then extract it
Very early developmental stages, pilot plant in France |
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Term
Geothermal reservoir extraction |
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Definition
Gets steam or hot water from underground reservoirs
Limited resource locations throughout the world
Generate electricity as well as heated water used for direct heating
Most efficient and cheapest plant design is from a dry steam resource |
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Term
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Definition
Typically used on individual home basis
Through a thermodynamic cycle, extract heat from the upper crust
Tremendous growth area, over 1 million systems in US, growing 40K/year –Enhanced |
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Term
What % of renewable energy comes from Geothermal? |
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Definition
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Term
What % of overall US energy come from Geothermal? |
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Definition
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Term
Why would Geothermal be one of the most significant renewable energy sources? |
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Definition
-provide firm and predictable power on a 24 hour basis.
-Unlike many renewables, it can provide the consistency for baseload power |
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Term
What type of energy would Wind be considered? |
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Definition
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Term
Fastest growing alternative energy both in the US and worldwide? |
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Definition
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Term
largest factor in determining the wind energy available |
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Definition
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Term
The bulk of the wind resource is the US is located? |
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Definition
-in the central states
-off the 2 coasts |
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Term
When can wind energy be competitive with fossil based electricity. |
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Definition
When placed in proper location |
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Term
One of the impediments to wind power expansion in the central states (including the UP) is |
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Definition
lack of sufficient electric transmission infrastructure |
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Term
Is more electricity generated from wind power than any other renewable energy source. |
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Definition
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Term
Could Geothermal energy could provide all the energy the world needs. |
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Definition
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Term
What do Heat pumps, or ground source, geothermal do? |
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Definition
uses the constant temperature of the near surface earth to heat homes |
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Term
Ground coil heat pump systems indirectly obtain thier energy from the sun.
T&F |
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Definition
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Term
Enhanced geothermal systems (hot dry rock systems) indirectly obtain thier energy from the sun.
TorF |
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Definition
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Term
What is Nuclear power basically |
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Definition
Direct conversion of mass to energy |
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Term
What is a nuclear reaction? |
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Definition
when 2 nuclei collide producing different products than the initial products |
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Term
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Definition
The break-up of one atom into two or more pieces |
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Term
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Definition
Joining of two separate atoms into one new atom
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Term
Will likely see significant growth in this sector of energy? |
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Definition
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Term
Will become a major contributor to electricity production |
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Definition
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Term
Will be a high growth area of renewablesin next 20 years? |
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Definition
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Term
High costs will limit significant growth in near term? |
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Definition
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Term
Both of these withh be largest growth areas of renewables in next 20 years |
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Definition
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Term
Name four Developing Technologies |
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Definition
-Concentrated Solar Power (Concentrated PV)
Ocean Energy (Wave & Tidal)
Enhanced Geothermal (Hot Dry Rock Technology)
Integrated Bioenergy(integrated gasifier, biorefinary)
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Term
T or F, The supply of oil is going to run out in 5-15 years. |
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Definition
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Term
The US imports _________ of its coal from other countries. |
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Definition
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Term
US oil production has ___________ over the past couple of decades. |
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Definition
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Term
Fossil fuel based power plants produce emissions that |
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Definition
contribute to acid rain
contribute to the greenhouse effect |
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Term
Most technical research has concluded that the energy content in ethanol is __________ than the energy content of the fossil fuel used to create it. |
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Definition
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Term
What is the percentage of US energy production that comes from biomass? |
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Definition
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Term
Where is the most biomass concentrated in the US? |
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Definition
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Term
Nearly all the gasoline sold in the US contains _____ ethanol. |
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Definition
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