♡ 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 👍 :1.2K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ Pollutant standards Index (PSI) value in between ...
➣ Concentration of krypton in clean air is ...
➣ A shall discrete mass of solid or ...
➣ Blue baze in forest area is produced ...
➣ The Gaussion model is used for prediction ...
➣ The category of devices by which dust ...
➣ A blue line along the gum is ...
➣ Most natural hydrocarbons in air from : ...
➣ Most dangerous hydrocarbon found in the automobile ...
❖ Take a qick MCQ Test on
➤ Hydrology
➤ Pollution (Air and Noise)
➤ Soil Mechanics and Foundation
➤ Fluid Mechanics and Hydraulics
➤ Building Material
➤ Concrete Technology
➤ Surveying
➤ Miscellaneous