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Free download in PDF Noise Pollution Objective Type Questions & Answers for competitive exams. These Noise Pollution Quiz Questions with Answers are important for competitive exams UGC NET, GATE, IBPS Specialist Recruitment Test.
(21)
Allowed noise level by WHO in residential areas is
[A]
25 dB
[B]
50 dB
[C]
75 dB
[D]
100 dB
(22)
At what level a sound becomes physical pain?
[A]
Above 50 dB
[B]
Above 70 dB
[C]
Above 80 dB
[D]
Above 100 dB
(23)
Noise is
[A]
an unwanted noise
[B]
an irritant
[C]
a source of stress
[D]
all of the above
(24)
The level of sound during normal conversation is
[A]
20 dbA
[B]
40 dbA
[C]
60 dbA
[D]
80 dbA
(25)
Roadways noise can be reduced by
[A]
use of noise barriers
[B]
limitation of vehicles speed
[C]
alteration of roadway surface texture
[D]
all of the above
(26)
Following contributes the maximum noise
[A]
transport sector
[B]
industrial and construction machinery
[C]
special events
[D]
none of the above
(27)
Research suggests that noise pollution is the highest in ___ income neighbourhoods.
[A]
low
[B]
medium
[C]
higher
[D]
all of the above
(28)
Sound is measured in
[A]
Hertz
[B]
Decibel
[C]
ppm
[D]
none of the above
(29)
Apart from hearing loss, effects produced by excessive noise / noise pollution are
1) Migraine headaches
2) Heart Palpitation
3) Dizziness
4) Nausea
5) Gastric Ulcers
[A]
Only 1, 2 and 3
[B]
Only 1, 2, 3 and 4
[C]
Only 4 and 5
[D]
All of the above
(30)
Which of the following zones are correctly matched with their permitted noise level?
1) Industrial --------- 90 dB
2) Commercial ----- 75 dB
3) Residential ------- Silence Zone
4) Courts ------------- 55 dB
[A]
Only 1 and 2
[B]
Only 2 and 3
[C]
Only 3
[D]
None of the above
Answer: None of the above
Noise Regulation Rules under the Environment Protection Act, 1986 regulate noise levels in industrial (75 dB), commercial (65 dB) and residential zones (55 dB). It also establishes zone of silence (100m) near schools, courts, hospitals, etc.
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