Broadcasting & Acoustics

Which of the following factors affect/s room acoustic?

• shape and proportio of room

• room activity

• seating and other furnishings

• all of these

Which of the following sources of sound produces the highest sound pressure level (SPL)?

• loud street noise

• accelerating motorcycle (50 ft. away)

• office activities

• cafeteria with people in it

Which material would exhibit the highest sound absorption coefficient (SAC) value?

• marble

• wood

• plastic

• carpet

Acoustic is a science that concerns with ____________.

• transmission of sound
  

• effect of sound waves

• generation of sound

• all of the above

The velocity of sound is affected by _______________.

• temperature

• kind of medium

• material density

• all of the above

Which branch of acoustics deals with all aspects of sound in the sea and its use for detection of vessels and the exploration of the seabed?

• Architectural Acoustics

• Engineering Acoustics

• Underwater Acoustics

• Environmental Acoustics

In what medium listed below will sound travel fastest?

• aluminum

• concrete

• steel

• wood

Which is the list of sound sources will cause the highest sound pressure and sound pressure level?

• whispering

• human breathing

• rusting of leaves

• office activites

Which of the following is an example of suspended sound-absorbing pane?

• parallel

• egg crate

• honeycomb

• all of these

Sound absorbing materials can be used in any of the following manner? What is it?

• echo control

• reverberation control

• noise reduction

• all of these