This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Perforations, or tiny holes in metal, wood, and mineral ceiling tiles are designed to help absorb ... (Read 67 times)

theo

  • Hero Member
  • *****
  • Posts: 698
on: Aug 28, 2018
Perforations, or tiny holes in metal, wood, and mineral ceiling tiles are designed to help absorb sound.
 
   True
   False
  Indicate whether the statement is true or false

Question 2

A smooth, dense wall of painted concrete:
 
   Reflects all the sound striking its surface
   Reflects only a small percentage of sound
  striking its surface
   Absorbs only a small percentage of sound striking
  its surface
   Absorbs all of the sound striking its surface


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fatboyy09

  • Sr. Member
  • ****
  • Posts: 358
Reply #1 on: Aug 28, 2018
Answer to Question 1

True

Answer to Question 2

Absorbs only a small percentage of sound
striking its surface


theo

  • Member
  • Posts: 698
Reply 2 on: Aug 28, 2018
Great answer, keep it coming :)

kusterl

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Gallium Metal Gallium Metal
Tiny insect Tiny insect
Tiny book scorpion Tiny book scorpion
Rhinestones, acrylic, and enamel on wood panel Rhinestones, acrylic, and enamel on wood panel
A compression gauge designed for the higher compression rate of a diesel engine should be used when ... A compression gauge designed for the higher compression rate of a diesel engine should be used when ...
Video: Virtual Tour of the Heart

For a complete list of videos, visit our video library