Hearing Conservation
Assessment
Points: 100/100
Staff No : *
125396
Area / Section / Department : *
e.g. 3A/Production or 3A/Mechanical/Production or Mechanical/Static/Engineering
Mechanical/Rotating/Engineering
3
This is the distance from the top of one sound wave to the top of the next
sound wave. *
(5/5 Points)
wave length
sound wave
energy
frequency
Intermittent noise does not exceed 120 dB (A) at any time. *
(5/5 Points)
Yes
No
Impulsive noise is a steady noise level at all or most of the time. *
(5/5 Points)
Yes
No
6
Hearing loss is reversible. *
(5/5 Points)
Yes
No
Hearing conservation programme includes... *
(5/5 Points)
Area and Personal monitoring
Audiometric testing
Employees information & training
All of the above
What is the number of wave lengths that pass a point in one second? *
(5/5 Points)
amplitude
volume
sound
frequency
9
Isolation of noise is by separating an identified machine that produces high
noise away from worker’s work area. *
(5/5 Points)
Yes
No
10
Why do you have to do audiometric test? *
(5/5 Points)
To satisfy my superior
To help identify high noise area
To determine my hearing status
To get HSE award
11
Substitution of noise requires a replacement of high noise level machinery with
lower noise level machinery. *
(5/5 Points)
Yes
No
12
High frequency noise can cause more damage compare to low frequency noise.
*
(5/5 Points)
Yes
No
13
Which is the best frequency range for human hearing? *
(5/5 Points)
50 to 500 Hz
500 to 5,000 Hz
500 to 5,000 kHz
50 to 500 kHz
14
As a rule of thumb, the noise level is unacceptable if we cannot hear our
colleague talking at the distance of 3 ft, unless he shouts. *
(5/5 Points)
Yes
No
15
Identify the factor that can cause hearing loss. *
(5/5 Points)
Continuous exposure to high noise level
Old age
Middle ear diseases.
All of the above
16
Intensity was measured in? *
(5/5 Points)
Hertz
Millimeters
Decibels
Calories
17
Human ear drum can only detect vibrations of air between ____________ . *
(5/5 Points)
20 hertz to 20 kilohertz
2 hertz to 20 hertz
20 hertz to 200 hertz
2 hertz to 200 hertz
18
Frequency A has 10 complete cycles per second and frequency B has 20
complete cycles in 5 seconds. Frequency B is higher. *
(5/5 Points)
Yes
No
19
Do you have any feedback or question?
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no
20
Which statement correctly compares Wave A and Wave B? *
(5/5 Points)
Wave A has a greater amplitude than Wave B.
Wave A has a greater wave length than Wave B.
Wave B has a greater wave length than Wave A.
Wave B has a greater amplitude than Wave A.
21
I can still take audiometric test even I have related sickness to ear, nose and
throat. *
(5/5 Points)
Yes
No
22
Hertz (Hz) is the measure of sound wave frequency. It measures how many
waves pass between two points in one second. If there are 30 waves that pass in
2 second, what is the sound’s frequency in Hz? *
(5/5 Points)
30 Hz
15 Hz
20 Hz
25 Hz
23
Hearing Protection Device (HPD) should be the first resort and must be
considered along with the other control measures should the noise level is not
within ALARP. *
(5/5 Points)
Yes
No
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