Explain about noise absorptive materials, Civil Engineering

Assignment Help:

Q. Explain about Noise absorptive materials?

The fundamental mechanism of noise absorptive material is to change the acoustic energy into heat energy. Amount of heat produced is generally very small because of the limited energy in sound waves (for example less than 0.01watts).


Related Discussions:- Explain about noise absorptive materials

Transportation engineering, what is difference between stopping sight dista...

what is difference between stopping sight distance and overtaking sight distance

Zero energy building , this is our final year project .please help me to gu...

this is our final year project .please help me to guide about it

Structural analysis, explain the steps to analyse a portal frame with sway ...

explain the steps to analyse a portal frame with sway condition

Define the finish to finish activity, A finish-to-finish activity is best d...

A finish-to-finish activity is best described as: The "from" activity must finish before the "to" activity can finish The "from" activity must finish before the "to" acti

Determine the density index of the sand sample, An undisturbed sample of sa...

An undisturbed sample of sand has a dry weight of 18.9 N and a volume of 1143 cm 3 . The solids have a specific gravity of 2.72. Laboratory tests indicate void ratios of 0.40 and 0

Test on complete bearings, Q. Test on complete bearings? Two bearings s...

Q. Test on complete bearings? Two bearings should be selected at random from the 'lot'. Various tests should be conducted on these 'test bearings'. These bearings should be exc

Describe the behaviour of pre and post-tensioned members, Describe the beha...

Describe the behaviour of pre and post-tensioned members The behaviour of pre and post-tensioned members under imposed loads may be different, especially when the cracking patt

Low cost roads connecting villages, Low Cost Roads Connecting Villages: ...

Low Cost Roads Connecting Villages: Problem of Village Connectivity It is estimated that nearly 45 per cent of India's villages are not connected by an all-weather ro

Structural analysis_cantilever trusses, Obtain the values and direction of ...

Obtain the values and direction of the supporting reactions of the truss given below. Use the method of section to determine the forces in each member.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd