♡ 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
➣ A device in which consists of bags ...
➣ Concentration of ozone in clean air is ...
➣ Chlorophyll loss in green plants is called ...
➣ Carbon monoxide in air effects : ...
➣ A device which dust in a gas ...
➣ Lead exhausted from automobiles is responsible for ...
➣ Pollutant standards Index (PSI) value in between ...
➣ Rainluft process is used for : ...
➣ A shall discrete mass of solid or ...
➣ Blue baze in forest area is produced ...
❖ Take a qick MCQ Test on
➤ Miscellaneous
➤ Soil Mechanics and Foundation
➤ Solid Waste and Waste Water Treatment
➤ Transportation Engineering
➤ Steel Structure
➤ Strength of Material
➤ Irrigation
➤ Pollution (Air and Noise)