♡ 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
➣ The category of devices by which dust ...
➣ Looping occurs when : ...
➣ Carbon monoxide has more affinity with haemoglobin ...
➣ The Gaussion model is used for prediction ...
➣ Concentration of ozone in clean air is ...
➣ Lead exhausted from automobiles is responsible for ...
➣ Hydrocarbons in the from of terpenes, as ...
➣ Hydrocarbon which may damage plants : ...
➣ For gravity settling chamber, settling velocity should ...
➣ Chlorophyll loss in green plants is called ...
❖ Take a qick MCQ Test on
➤ Building Material
➤ Steel Structure
➤ Solid Waste and Waste Water Treatment
➤ Fluid Mechanics and Hydraulics
➤ Hydrology
➤ Water Supply
➤ Concrete Structure
➤ Strength of Material