
Post Assessment Questions on Noise Exposure
Authored by MD NIOSH
Physics
12th Grade
Used 2+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah Had Pendedahan Bunyi?
Lex = 85 dB(A), Max = 115 dB(A) & Peak = 140 dB(C)
Lex = 82 dB(A), Max = 115 dB(A) & Peak = 140 dB
Lex = 90 dB(A), Max = 115 dB(A) & Peak = 140 dB
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kesan berbahaya bunyi kepada manusia terdiri daripada auditori (kerosakan telinga) dan bukan auditori.
Benar
Salah
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Senarai komponen dalam program pemeliharaan pendengaran (HCP) adalah
Kenal pasti bunyi yang berlebihan
Penilaian risiko bunyi
Langkah pengurangan bunyi
Semuanya di atas
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jenis perlindungan pendengaran yang menutupi cuping telinga dan sesuai untuk bunyi frekuensi rendah.
Earphone
Earmuff
Earplug
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah definisi NRR?
Kadar pengurangan bising
Tiada kenaikan bunyi
Pengurangan Risiko Bising
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Seorang pekerja yang terdedah kepada tahap pendedahan bunyi harian, Lex,8h = 90 dB(A) dan diberikan penyumbat telinga dengan NRR = 37. Anggarkan pendedahan bunyi selepas memakai Pelindung Pendengaran Peribadi.
70 dB(A)
75 dB(A)
80 dB(A)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kenal pasti keputusan audiometrik untuk keadaan ini di bawah:
Normal
Abnormal
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