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

The right triangle, a lighthouse standing on the cliff observed from two op...

a lighthouse standing on the cliff observed from two open boats A and B in a vertical plane thourgh the lighthouse.the angle of elevation of the top of the lighthouse viewed from B

Arches and lintels, classification of arches based on their shape are?

classification of arches based on their shape are?

Determine the hydraulic radius for rectangular open channel, Determine the ...

Determine the hydraulic radius R for a rectangular open channel with dimensions of 6 ft wide and 4 ft high (side walls) flowing at a depth of 3 ft. Solution: R = A/P Cross-s

Higway engineering, Ask question Design the pavement by group index method ...

Ask question Design the pavement by group index method for heavy traffic using following subgrade data Soil passing 75micron sieve =65%,liquid limit =40%plastic limit =20% #Min

Calculate the settlement at the centre of the mat, A mat foundation of 15...

A mat foundation of 15 m x 15 m and weighing 20000 N/m 2 is to be constructed on the surface of a soil strata. The profile is given in Figure. The number of squares enclosed i

Moment distribution method hinges, Analyse the continuous beam using moment...

Analyse the continuous beam using moment distribution. A continuous beam ABCDE fixed at A carry a load of 2KN one metre from A at AB 3m. BC 3m, carry a UDL of 3KN/m and hinge at

Phase, Each physical homogeneous type (solid, liquid orvapour) is a phase. ...

Each physical homogeneous type (solid, liquid orvapour) is a phase. Two or three phases may coexist.  e.g. Ice and water at 0 o C.  Mixtures of gases (e.g. Air) can only be

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