♡ 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
➣ Looping occurs when : ...
➣ Pollutant standards Index (PSI) value in between ...
➣ Most dangerous hydrocarbon found in the automobile ...
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ Radiations which are not deflected by magnetic ...
➣ Air pollution from a variety of source ...
➣ A blue line along the gum is ...
➣ The category of devices by which dust ...
➣ Leaf abscission is : ...
➣ A shall discrete mass of solid or ...
❖ Take a qick MCQ Test on
➤ Building Material
➤ Solid Waste and Waste Water Treatment
➤ Surveying
➤ Hydrology
➤ Transportation Engineering
➤ Fluid Mechanics and Hydraulics
➤ Soil Mechanics and Foundation
➤ Pollution (Air and Noise)