Bennett Mechanical Comprehension Test

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A mechanic is working in a large garage with concrete walls and floors, and the sound of the tools is creating a loud echo. Which of the following changes would be most effective at reducing the echo?

Painting the walls with glossy paint. Hanging heavy fabric curtains or acoustic foam panels on the walls. Installing large glass windows. Replacing the concrete floor with polished tile.

Correct Answer:

Hanging heavy fabric curtains or acoustic foam panels on the walls.

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