Author Question: Open plan office spaces should have a ceiling with an NRC rating of at least: .30 .60 .75 ... (Read 81 times)

soccerdreamer_17

  • Hero Member
  • *****
  • Posts: 552
Open plan office spaces should have a ceiling with an NRC rating of at least:
 
   .30
   .60
   .75
   .80 or higher

Question 2

A door assembly with an STC rating of 40 should:
 
   Be matched with a wall assembly of the same STC
  rating
   Be made from steel
   Be have gaskets around the edges
   All of the above



parker125

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

.80 or higher

Answer to Question 2

Be matched with a wall assembly of the same
STC rating



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

For a complete list of videos, visit our video library