♡ Login
Home
Previous Papers
★
MCQs
Civil Engineering
Pollution (Air and Noise)
What type of noise can be abated ...
Que.
What type of noise can be abated by providing lining on walls and ceiling with sound absorbing materials ?
A.
Source noise
B.
Reflection noise
C.
Structural noise
D.
Direct air -borne noise
Right Answer is :
✓ B. Reflection noise
⚑ Report
Views 👍 :1.3K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Carbon monoxide in air effects : ...
➣ Most dangerous hydrocarbon found in the automobile ...
➣ Hydrocarbons in the from of terpenes, as ...
➣ Aerosols are defined as : ...
➣ A device in which gas is ...
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ Concentration of ozone in clean air is ...
➣ Blue baze in forest area is produced ...
➣ Concentration of krypton in clean air is ...
➣ The Gaussion model is used for prediction ...
❖ Take a qick MCQ Test on
➤ Concrete Structure
➤ Building Material
➤ Soil Mechanics and Foundation
➤ Fluid Mechanics and Hydraulics
➤ Strength of Material
➤ Steel Structure
➤ Miscellaneous
➤ Hydrology