♡ 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
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ Carbon monoxide has more affinity with haemoglobin ...
➣ Pollutant Standards Index (PSI) value greater than ...
➣ Aerosols are defined as : ...
➣ Carbon monoxide in air effects : ...
➣ Pollutant standards Index (PSI) value in between ...
➣ A device in which consists of bags ...
➣ A state in which warmer air lies ...
➣ Epinasty in leaves is due to : ...
➣ Most natural hydrocarbons in air from : ...
❖ Take a qick MCQ Test on
➤ Steel Structure
➤ Concrete Technology
➤ Solid Waste and Waste Water Treatment
➤ Water Supply
➤ Miscellaneous
➤ Concrete Structure
➤ Fluid Mechanics and Hydraulics
➤ Surveying