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College Environmental Science Questions

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College :: Environmental Science by JeffreyG
A flash steam plant where hydrothermal liquid is over 350 deg. F. In these systems most of steam is separated and the brine and condensed fluid is injected back into the reservoir. This technology is generally employed in the following process.
  1. It flashes most of the liquid to steam, and is separated from the brine. The remaining liquid and condensed steam is injected back into the reservoir.
  2. It is used directly to drive the turbine, as the steam condenses back to a liquid it is injected back into the reservoir.
  3. It is passed through a heat exchanger in conjunction with a secondary fluid with a lower boiling point, the secondary fluid vaporizes to drive a turbine. The geothermal fluid is condensed and injected back into the reservoir.
College :: Environmental Science by JeffreyG
The thermochemical decomposition of organic material at elevated temperatures without the participation of oxygen.
  1. aerobic process
  2. anaerobic process
  3. bio-syntrolysis process
  4. pyrolysis process
College :: Environmental Science by JeffreyG
There are two types of turbines used in the hydroelectric powerplants. They are named in honor of their inventors. They are:
  1. The Polsen and Francois turbines
  2. The Pelton and Francis turbines
  3. The Pelson and French turbines
  4. The Fromage and Price turbines
College :: Environmental Science by JeffreyG
A binary cycle plant uses hot water at a lower temperature than that which supplies steam plants(100-300 deg.F), this technology is generally employed in the following process.
  1. It flashes most of the liquid to steam, and is separated from the brine. The remaining liquid and condensed steam is injected back into the reservoir.
  2. It is used directly to drive the turbine, as the steam condenses back to a liquid it is injected back into the reservoir.
  3. It is passed through a heat exchanger in conjunction with a secondary fluid with a lower boiling point, the secondary fluid vaporizes to drive a turbine. The geothermal fluid is condensed and injected back into the reservoir.
College :: Environmental Science by JeffreyG
College :: Environmental Science by JeffreyG
A dry steam plant is a geothermal powerplant in which steam , generated underground by geothermal heat, is a technology generally employed in the following process.
  1. It flashes most of the liquid to steam, and is separated from the brine. The remaining liquid and condensed steam is injected back into the reservoir.
  2. It is used directly to drive the turbine, as the steam condenses back to a liquid it is injected back into the reservoir.
  3. It is passed through a heat exchanger in conjunction with a secondary fluid with a lower boiling point, the secondary fluid vaporizes to drive a turbine. The geothermal fluid is condensed and injected back into the reservoir.
College :: Environmental Science by greenlab
Which best describes the United States' action regarding the Kyoto Protocol?
  1. Signed
  2. Ratified
  3. Signed and ratified
  4. Neither signed nor ratified
College :: Environmental Science by greenlab
College :: Environmental Science by greenlab
Which is not one of the mechanisms set in the Kyoto Protocol to help countries meet their target reductions?
  1. Joint Implementation
  2. Annex Framework
  3. Emissions Trading
  4. Clean Development
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