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Post Assessment Questions on Noise Exposure

Authored by MD NIOSH

Physics

12th Grade

Used 2+ times

Post Assessment Questions on Noise Exposure
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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

Media Image

Kenal pasti keputusan audiometrik untuk keadaan ini di bawah:

Normal

Abnormal

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