state gov APPSC (ఆంధ్రప్రదేశ్) Group 2 (Pre + Mains) Mock Test 2023 Current Affairs Science and Technology
Consider the following statements regarding Pumped Storage Hydropower (PSH):
Statement I: PSH uses excess electricity to pump water from a lower reservoir to an upper reservoir during off-peak hours or when renewable energy sources are abundant.
Statement II: The energy storage capacity of a PSH system is independent of the size of its two reservoirs and is determined by the size of the turbine.
Which one of the following is correct in respect of the above statements?
1
Both Statement I and Statement II are correct and Statement II explains Statement I.
2
Both Statement I and Statement II are correct, but Statement II does not explain Statement I.
3
Statement I is correct, but Statement II is incorrect.
4
Statement I is incorrect, but Statement II is correct.