UPSC Civil Services 2020 Prelims General Studies Paper I

In the question, both the options are incorrect as solar power can be used for running submersible pumps and the ones with piston too.

Parts of a solar water pumping system

● Solar PV panel

● One of the following motor-pump sets compatible with the photovoltaic array:

○ surface mounted centrifugal pump set

○ submersible pump set

○ floating pump set

Submersible pump set.