♡ 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 👍 :1.1K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Looping occurs when : ...
➣ Rainluft process is used for : ...
➣ Hydrocarbons in the from of terpenes, as ...
➣ What type of noise can be abated ...
➣ Carbon monoxide in air effects : ...
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ Chlorophyll loss in green plants is called ...
➣ Hydrocarbon which may damage plants : ...
➣ A device in which gas is ...
➣ Killing of tissue from air pollutants is ...
❖ Take a qick MCQ Test on
➤ Concrete Technology
➤ Irrigation
➤ Fluid Mechanics and Hydraulics
➤ Miscellaneous
➤ Water Supply
➤ Surveying
➤ Pollution (Air and Noise)
➤ Building Material