Noise Pollution and Acoustical Engineering Quiz

What is the next potential public health crisis?

• Light pollution

• Noise pollution

• Water pollution

• Air pollution

What is the unit used to measure sound?

• Watts

• Volts

• Decibels

• Hertz

What is the common noise level inside a car due to city traffic?

• 85 db

• 80 db

• 70 db

• 60 db

What is one option for noise control mentioned in the text?

• Using scented candles

• Playing louder music

• Installing soundproof curtains

• Using brighter lights

What is one way to reduce lower frequency noise?

• Using sound baffles

• Installing rubber paddings

• Using quilted fiberglass blankets

• Using double glazing

What is one urban planning method to combat noise pollution?

• Depressing highways below residential areas

• Removing all trees

• Using brighter street lights

• Building taller buildings

What type of walls are mentioned as effective for sound reduction?

• Wooden walls

• Glass walls

• Brick walls

• Metal walls

What technology is being developed for quieter ships?

• Quieter anchors

• Quieter horns

• Quieter propellers

• Quieter engines