♡ 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 : ...
➣ Lead exhausted from automobiles is responsible for ...
➣ Most commonly used control device for particulate ...
➣ Radiations which are not deflected by magnetic ...
➣ Leaf abscission is : ...
➣ Pollutant Standards Index (PSI) value greater than ...
➣ Epinasty in leaves is due to : ...
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ The Gaussion model is used for prediction ...
➣ For gravity settling chamber, settling velocity should ...
❖ Take a qick MCQ Test on
➤ Irrigation
➤ Building Material
➤ Solid Waste and Waste Water Treatment
➤ Surveying
➤ Soil Mechanics and Foundation
➤ Concrete Structure
➤ Strength of Material
➤ Miscellaneous