♡ 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 👍 :1.4K
Share :
Copy ☍
✒ To discuss this topic
Comment
✕ Cancel
➤ Post Comment
❖ Related Questions
➣ Radiations which are not deflected by magnetic ...
➣ Aerosols are defined as : ...
➣ A device which dust in a gas ...
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ Hydrocarbon which may damage plants : ...
➣ A shall discrete mass of solid or ...
➣ Most dangerous hydrocarbon found in the automobile ...
➣ Chlorophyll loss in green plants is called ...
➣ Concentration of krypton in clean air is ...
➣ Killing of tissue from air pollutants is ...
❖ Take a qick MCQ Test on
➤ Steel Structure
➤ Hydrology
➤ Irrigation
➤ Surveying
➤ Soil Mechanics and Foundation
➤ Solid Waste and Waste Water Treatment
➤ Strength of Material
➤ Building Material