Lesson 37: Geothermal Power Plants Flashcards

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1
Q

This is the Earth’s internal heat which is generated from radioactive decay and continual heat loss from Earth’s formation.

A

Geothermal Ennergy

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2
Q

The difference in temperature between the core of Earth and its surface.

A

Geothermal Gradient

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3
Q

These things use steam which is produced from reservoirs of hot water found several miles below the Earth’s surface.

A

Geothermal Power Plants

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4
Q

These draw from underground resources of steam.

A

Dry Steam Power Plants

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5
Q

This uses hydrothermal fluidss that are already mostly steam, which is a relatively rare natural occurrence.

A

Dry Steam Power Plants

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6
Q

This uses geothermal reservoirs of water with temperature greater than 360 degrees F.

A

Flash Steam Power Plants

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7
Q

This operates on water at lower temperatures of about 225°-360°F (107°-182°C).

A

Binary Cycle Power Plants

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8
Q

This is usually an organic compound with a low boiling point which is vaporized in a heat exchanger and is used to turn a turbine.

A

Working Fluid

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