Following scale is used for loudness of sound or noise
A) Linear scale
B) Logarithmic scale
C) Exponential scale
D) None of the above
Correct Answer:
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Q13: Sound is measured by units that are
Q14: 'Eardrum' bursts at
A)40 dB
B)80 dB
C)160 dB
D)320 dB
Q15: The loudness of sound varies directly with
Q16: The scale to measure the intensity level
Q17: Pitch of the sound depends upon
A)Frequency
B)Distance of
Q19: Sound Intensity is given by.
A)I=w/s
B)I=s/w
C)w=I/s
D)s=w/I
Q20: Unit for Reference sound intensity is_.
A)W/m2
B)W/mm3
C)W/cm3
D)None of
Q21: Sound power of a machine whose specified
Q22: The process of maintaining appropriate noise level
Q23: Basic elements of noise control are
A)Source ,Path
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