Recently the term “pumped-storage hydropower” is actually and appropriately discussed in the context of which one of the following?
(a) Irrigation of terraced crop fields
(b) Lift irrigation of cereal crops
(c) Long duration energy storage
(d) Rainwater harvesting system
Correct Answer: (c) Long duration energy storage
Explanation:
Pumped-storage hydropower is used for long-duration energy storage by pumping water to a higher elevation during low demand periods and releasing it to generate electricity during high demand periods.
Possible Sources: Renewable energy and power generation references.
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