Acoustics quiz

Please answer the following 10 multiple choice questions, then click 'submit' to check the result. The pass mark for a CPD certificate is 8 out of 10, and you may retake the quiz as many times as you wish, but the questions will vary! Please note that one, two, three or all of the possible answers presented for each question may be right, and to gain a mark for that question all correct answers must be identified.

Good luck

Acoustics

Sound insulation requirements are included in which part of the England and Wales Building Regulations?

E
B
A
L

For integration of elements which of these statements are correct?

It is necessary to consider the detailing for integration of elements to maintain acoustic performance
Only structural elements such as beams and columns are significant to sound insulation
Domestic scale pipes and electric cables are insignificant to sound insulation
Pipes and cables cannot be included in a domestic separating wall

The online acoustic performance prediction tool is ...?

Based on an empirical approach derived from acoustic test results
Intended for estimating purposes only
Intended to provide precise predictions
Only part of the solution, exact specification of materials and quality of workmanship are also important

In England and Wales the impact sound requirement for a separating floor between purpose built dwellings is ...?

L'nT,w < 52 dB
L'nT,w > 62 dB
L'nT,w > 52 dB
L'nT,w < 62 dB

Which of the following design approaches should be applied for good acoustic performance?

Concentrate on reducing direct sound transmission rather than flanking sound transmission
Focus on reducing flanking sound as well as direct sound transmission
Apply the combined principles of mass, isolation and sealing
Concentrate on maximising mass to improve sound insulation

Which of the following statements are true for acoustic design of hospitals?

Sound insulation between rooms is not an important design consideration
Hospitals must be constructed using Robust Details
Hospitals must undergo on-site acoustic tests
The main reference for acoustic design of hospitals is HTM 08-01

For separating floors between dwellings which of these statements are true?

Separating floors must include structural concrete
The ceiling part of the floor can have a significant effect on the acoustic performance
The floor treatment applied is usually insignificant to the acoustic performance
There is a wide range of separating floor solutions that can be used in steel framed buildings

To the human ear a 10 dB increase in sound 'feels' like an increase in loudness of how many times?

1
2
3
4

Which of the following statements are true for separating wall construction?

Separating walls can be constructed from light steel frames lined with plasterboard
Resilient bars must be incorporated in the construction of separating walls
Mineral wool in the wall construction helps to improve the sound insulation
Light steel separating walls must be twin frame construction

For demonstrating compliance with the acoustic regulations which of these statements is correct?

Robust Details must be used for construction of new dwellings
Dwellings must either be constructed using Robust Details or on-site acoustic testing must be carried out
A qualified acoustic engineer must assess the details used for constructing dwellings
All dwellings must undergo on-site acoustic testing