Q. The permitted noise level in a silent zone during day time and night time are respectively
A. 55 dB and 50 dB
B. 70 dB and 60 dB
C. 50 dB and 40 dB
D. 65 dB and 55 dB
Answer: 50 dB and 40 dB
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A. 55 dB and 50 dB
B. 70 dB and 60 dB
C. 50 dB and 40 dB
D. 65 dB and 55 dB
Answer: 50 dB and 40 dB