Exercise 2.
Directions: Arrange the following steps in proper order of events.
1. How Geothermal Power Plants Work
A. The cooled water is pumped back into the Earth to begin the process again.
B. When the water reaches the surface, the pressure is dropped, which causes
the water to turn into steam.
C. The steam cools off in a cooling tower and condenses back to the water.
D. Hot water is pumped from deep underground through a well under high pressure
E. The steam spins a turbine, which is connected to a generator that produces
electricity
2. How Geothermal Heat Pumps Work
A. When the weather is cold, the water or refrigerant heats up as it travels through the
part of the loop that's buried underground
B. Once it gets back above ground, the warmed water or refrigerant transfers heat into
the building
C. On a hot day, the system can run in reverse. The water or refrigerant cools the
.
building and then is pumped underground where extra heat is transferred to the
ground around the pipes.
D. Water or a refrigerant moves through a loop of pipes.
F. The water or refrigerant cools down after its heat is transferred. It is pumped back
underground where it heats up once more, starting the process again.
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Answer:
1 e
2a
Explanation:
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