Civil Engineering MCQJE Level Civil Engineering
Noise barrier works mainly by:
Environment and Pollution ControlBasics of Environment and Pollution ControlEASY
Choose the correct answer
A
increasing engine noise
B
adding sulphur
C
removing oxygen
D
interrupting sound propagation path
Correct Answer
D. interrupting sound propagation path
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Noise barriers reduce transmission from source to receiver.
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This MCQ belongs to RRB JE Civil & Allied Engineering CBT-2 Full Mock Test Series. Full tests include timed attempts, rank comparison and subject-wise analysis.