Users Also Read
MCQ's Search Engine
Electrical Engineering
Mechanical Engineering
Civil Engineering
Automobile Engineering
Chemical Engineering
Computer Engineering
Electronics Engineering
Medical Science Engg
High noise levels produced during operation of fans and compressors can be reduced by using | |
A. | mufflers (silencers). [Correct Answer] |
B. | accoustical absorbent. [Wrong Answer] |
C. | lagging of noisy duct. [Wrong Answer] |
D. | none of these. [Wrong Answer] |