♡ 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
➣ Rainluft process is used for : ...
➣ Most dangerous hydrocarbon found in the automobile ...
➣ A state in which warmer air lies ...
➣ Main impact of Greenhouse effect is : ...
➣ Blue baze in forest area is produced ...
➣ Looping occurs when : ...
➣ Epinasty in leaves is due to : ...
➣ A device which dust in a gas ...
➣ A device in which gas is ...
➣ Killing of tissue from air pollutants is ...
❖ Take a qick MCQ Test on
➤ Surveying
➤ Solid Waste and Waste Water Treatment
➤ Transportation Engineering
➤ Soil Mechanics and Foundation
➤ Hydrology
➤ Strength of Material
➤ Concrete Technology
➤ Irrigation