♡ 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
➣ Leaf abscission is : ...
➣ Killing of tissue from air pollutants is ...
➣ Carbon monoxide has more affinity with haemoglobin ...
➣ A blue line along the gum is ...
➣ Concentration of krypton in clean air is ...
➣ Pollution of air due to smoking by ...
➣ When Environmental Lapse Rate equals to Adiabatic ...
➣ Concentration of ozone in clean air is ...
➣ Chlorophyll loss in green plants is called ...
➣ A device which dust in a gas ...
❖ Take a qick MCQ Test on
➤ Concrete Structure
➤ Hydrology
➤ Strength of Material
➤ Pollution (Air and Noise)
➤ Concrete Technology
➤ Water Supply
➤ Irrigation
➤ Soil Mechanics and Foundation