Worksheetsyweu
Total questions: 7
Worksheet time: 2mins
Name
Class
Date
1.
oty6fo5o
a)
r
b)
ru
c)
rur
d)
yueuhd
2.
gfagshh
a)
yyh
b)
ywey
c)
gwhbnbn
d)
ag
3.
The sound energy transferred per second from the noise source to the air
a)
Sound Pressure Level
b)
Sound Level
c)
Sound Power
d)
Sound Pressure
4.
Bending or “flowing” of a sound wave around an object or through an opening
a)
Diffusion
b)
Diffraction
c)
Absorption
d)
Reflection
5.
A value given in decibels, which is determined by measuring sound pressure levels at a certain frequency in the source and receiving rooms.
a)
NRC
b)
SAC
c)
TL
d)
SPL
6.
Pitch is the subjective term for Frequency
a)
Maybe
b)
False
c)
True
d)
NOTA
7.
人耳對多少Hz左右的音最
敏感?
a)
200Hz
b)
1000Hz
c)
4000Hz
d)
10000Hz
100 %
