ENG437 2022 Week3

ENG437 2022 Week3

University

10 Qs

quiz-placeholder

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ENG437 2022 Week3

ENG437 2022 Week3

Assessment

Quiz

Science

University

Medium

Created by

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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