♡ 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
➣ A device in which consists of bags ...
➣ Killing of tissue from air pollutants is ...
➣ Most commonly used control device for particulate ...
➣ The category of devices by which dust ...
➣ Looping occurs when : ...
➣ Main impact of Greenhouse effect is : ...
➣ Chlorophyll loss in green plants is called ...
➣ Pollutant Standards Index (PSI) value greater than ...
➣ Aerosols are defined as : ...
➣ Hydrocarbon which may damage plants : ...
❖ Take a qick MCQ Test on
➤ Strength of Material
➤ Building Material
➤ Soil Mechanics and Foundation
➤ Solid Waste and Waste Water Treatment
➤ Concrete Technology
➤ Pollution (Air and Noise)
➤ Transportation Engineering
➤ Concrete Structure