♡ 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
➣ Leaf abscission is : ...
➣ The category of devices by which dust ...
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ Most commonly used control device for particulate ...
➣ A state in which warmer air lies ...
➣ Hydrocarbon which may damage plants : ...
➣ A blue line along the gum is ...
➣ Blue baze in forest area is produced ...
➣ Radiations which are not deflected by magnetic ...
➣ Lead exhausted from automobiles is responsible for ...
❖ Take a qick MCQ Test on
➤ Concrete Technology
➤ Surveying
➤ Hydrology
➤ Solid Waste and Waste Water Treatment
➤ Soil Mechanics and Foundation
➤ Steel Structure
➤ Irrigation
➤ Fluid Mechanics and Hydraulics