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SSC CHSL 2021 PYQ — Question 24

SSC CHSL - 5 Aug 2021 - Shift 2 • English • Q24

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In the following passage, some words have been deleted. Select the most appropriate option to fill in each blank.

In the generation of hydroelectric power, water is collected or (1) ______ at a higher elevation and led downward (2) ______ large pipes to a lower elevation; the difference in elevations is (3) ______ as the head. At the end of its passage down the pipes, the falling water (4) ______ turbines to rotate. The turbines in turn drive generators, (5) ______ convert the turbines’ mechanical energy into electricity

Select the most appropriate option to fill in blank no.4.

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Correct answer: A

Explanation

The correct answer is Option 1. i.e. causes.

  • The sentence is discussing what happens "at the end of its passage down the pipes."
  • It conveys that the falling water is responsible for a specific effect, which is the rotation of the turbines.
  • By using "causes" in this sentence, it indicates that the action of the falling water leads directly to or brings about the rotation of the turbines.