UTILITIES PREBOARD REFRESHER

The range of sound that the human ear can detect 20-20,000 Hertz (Hz)

More than 20,000 hertz is called

• Ultrasonic

• Ultrasound Wave

• High Frequency

• Low Frequency

Which among the choices given is the best way to prevent sound transition?

• Cavity Wall

• Double Wall

• Drywall with Insulation

• Gypsum Board

From the figure shown, which will you use for a Library?

• 1 Diffuser

• 2 Foam Egg Crate

• 3 Egg Crate

• 4 Mineral Wool

From the figure shown, which will you use for a Conference Room?

• 1 Diffuser

• 2 Foam Egg Crate

• 3 Egg Crate

• 4 Mineral Wool

From the figure shown, which will you use for a Concert Hall?

• 1 Diffuser

• 2 Foam Egg Crate

• 3 Egg Crate

• 4 Mineral Wool

From the figure shown, which will you use for a Music Studio?

• 1 Diffuser

• 2 Foam Egg Crate

• 3 Egg Crate

• 4 Mineral Wool

From the figure shown, which is used to diffuse sound?

• 1,2, and 3

• 2

• 1

• 3

From the figure shown, which is used to absorb sound?

• 1,2, and 3

• 2,3, and 4

• 1,3, and 4

• 4

Which is used as a radiant barrier

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Which is used as a moisture barrier

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