Multiple Choice
A pumped-storage system is where water is pumped up into an elevated reservoir, and then allowed to fall to produce electricity. What is the basic reason this system is economical?
A) surplus electricity at night is being used to pump water into reservoir.
B) more electricity is generated than is used in pumping water into the reservoir.
C) it is more efficient to generate electricity when it is generated with gravity.
D) the electricity is being generated with a renewable energy resource.
E) the electricity is being generated with a non-carbon based energy source.
Correct Answer:
Verified
Correct Answer:
Verified
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