ECEN 102 1-5 ME

is the total airborne sound energy radiated by a sound source per unit of time.

• sound power

• sound pressure

• sound intensity

• any of the choices

What is the SI unit of sound power?

• Watt

• Decibel

• Hertz

• Newton

Which of the following is a measure of the average sound intensity over a given area?

• Sound power

• Sound pressure

• Sound intensity

• Sound frequency

What property of a sound wave determines its loudness?

• Frequency

• Amplitude

• Wavelength

• Speed

is the result of sound sources radiating sound energy that is transferred into a specific acoustical environment and measured at a specific location

• sound power

• sound intensity

• sound pressure

• sound level

identify the type of sound source

• plane source

• line source

• point source

• center source

identify type of sound source

• plane source

• point source

• line source

• parallel source

identify what type of sound enclosure

• anechoic

• reverberant

• smooth

• uneven

refers to the passage of sound through building elements such as walls, floors, and ceilings

• sound transmission

• sound absorption

• room acoustics

• sound leakage

ability of a material to reduce the reflection of sound within a room

• sound transmission

• sound absorption

• room acoustics

• sound reduction