♡ 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
➣ Concentration of krypton in clean air is ...
➣ Aerosols are defined as : ...
➣ A state in which warmer air lies ...
➣ Lead exhausted from automobiles is responsible for ...
➣ Pollution of air due to smoking by ...
➣ Looping occurs when : ...
➣ The Gaussion model is used for prediction ...
➣ Rainluft process is used for : ...
➣ Main impact of Greenhouse effect is : ...
➣ Most commonly used control device for particulate ...
❖ Take a qick MCQ Test on
➤ Soil Mechanics and Foundation
➤ Hydrology
➤ Miscellaneous
➤ Concrete Technology
➤ Transportation Engineering
➤ Irrigation
➤ Pollution (Air and Noise)
➤ Surveying