ENG437 2022 Week3

Quiz
•
Science
•
University
•
Medium
Peter Doe
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
The range of frequencies audible to a young person is about
20 Hz to 15 kHz
20 to 15 kHz
250 to 5000Hz
the same as a dog
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
A sound level meter measures
sound pressure
sound power
sound intensity
sound volume
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Two sounds with the same frequency combine to give
an increase in intensity of 6 dB
more or less intensity depending on the phase
twice the intensity
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Permanent hearing damage can result from exposure to a SPL greater than about 90 dB for an 8 hour period
TRUE
FALSE
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
The effect of noise on a person's amenity can be minimised by
limiting the time of day of the noise emission
reducing the level of the noise emission
installing effective noise barriers
all of these
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
Acoustic tiles are NOT
effective in reducing sound transmission
used to modify the 'acoustics' of a room
made of light porous material
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
The MASS LAW for acoustic materials states that the reduction in sound transmission is a function of a partition's mass/unit area
TRUE
FALSE
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