♡ 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 👍 :1.5K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Air pollution from a variety of source ...
➣ A device in which consists of bags ...
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ Rainluft process is used for : ...
➣ Hydrocarbon which may damage plants : ...
➣ The Gaussion model is used for prediction ...
➣ Carbon monoxide in air effects : ...
➣ A device in which gas is ...
➣ A state in which warmer air lies ...
➣ Chlorophyll loss in green plants is called ...
❖ Take a qick MCQ Test on
➤ Hydrology
➤ Steel Structure
➤ Miscellaneous
➤ Concrete Structure
➤ Pollution (Air and Noise)
➤ Strength of Material
➤ Water Supply
➤ Solid Waste and Waste Water Treatment