Question 1

Sound travels faster in gases than in solids.

Accepted Answer

A) True 
 B)False

Question 2

Reverberation time is directly proportional to ____________

Accepted Answer

A) effective surface area 
B) lateral surface area 
C) volume of the room 
D) shape of the room

Question 3

In the Sabine's expression for reverberation time t=0.16V/A, A represents __________

Accepted Answer

A) area of the room 
B) volume of the room 
C) total absorbing power 
D) total adsorbing power

Question 4

The maximum rate of air change is __________

Accepted Answer

A) 30 per min 
B) 30 per hour 
C) 60 per min 
D) 60 per hour

Question 5

If the direction of the wind is at 90° to one of the faces, positive pressure will be produced on __________

Accepted Answer

A) windward face 
B) leeward face 
C) two windward faces 
D) two leeward faces

Exam 1: Understanding Sound and Acoustics in Building Design

Sound travels faster in gases than in solids.