NEBOSH General Certificate NG2- Element 5:Physical and
Psychological Health with all Correct & 100% Verified Answers |
Latest Version
1. What does a
daily This refers to a daily personal exposure to noise at a level of 85 dB(A)
personal over the course of a working day (eight hours), or an equivalent
exposure over a longer or shorter
noise exposure of period. This represents the upper exposure action value at and above
which action
85bB(A) must be taken to reduce employee exposure. 'dB' refers to decibel
mean? - the sound pressure level. 'A' refers to the A-weighting matrix, which
takes into account the sensitivity of the human ear to noise at
ditterent frequencies.
2. What are the limi- One limitation of ear defenders is that the seal between the ear and
the protective
tations of ear de- device may be less than perfect due to long hair, spectacle frames and
fenders and ear jewellery, incorrect fitting or the wearing of helmets or face shields.
plugs?
Other limitations are that they may become uncomfortable during use
and consequently may be removed. They also need a dedicated storage
facility.
Limitations of ear plugs are that they otter less noise reduction at high-noise
levels, they are more diflcult to see and therefore enforce, and they can
be a source of contamination into the ear if hygiene practices are poor.
3. Identify the
symptoms of
hand-arm vibra-
tion syndrome.
Symptoms of hand-arm vibration syndrome include:
Tingling and numbness in the fingers and hands.
1/
5
, NEBOSH General Certificate NG2- Element 5:Physical and
Psychological Health with all Correct & 100% Verified Answers |
Latest Version
Blanching (whitening) of the ss of grip strength.
fingers on exposure to
cold conditions.
Reddening and pain of the
fingers due to blood
supply returning after a
blanching attack.
s
o
f
f
i
n
g
e
r
d
e
x
t
e
r
i
t
y
.
L
o
2/
5
Psychological Health with all Correct & 100% Verified Answers |
Latest Version
1. What does a
daily This refers to a daily personal exposure to noise at a level of 85 dB(A)
personal over the course of a working day (eight hours), or an equivalent
exposure over a longer or shorter
noise exposure of period. This represents the upper exposure action value at and above
which action
85bB(A) must be taken to reduce employee exposure. 'dB' refers to decibel
mean? - the sound pressure level. 'A' refers to the A-weighting matrix, which
takes into account the sensitivity of the human ear to noise at
ditterent frequencies.
2. What are the limi- One limitation of ear defenders is that the seal between the ear and
the protective
tations of ear de- device may be less than perfect due to long hair, spectacle frames and
fenders and ear jewellery, incorrect fitting or the wearing of helmets or face shields.
plugs?
Other limitations are that they may become uncomfortable during use
and consequently may be removed. They also need a dedicated storage
facility.
Limitations of ear plugs are that they otter less noise reduction at high-noise
levels, they are more diflcult to see and therefore enforce, and they can
be a source of contamination into the ear if hygiene practices are poor.
3. Identify the
symptoms of
hand-arm vibra-
tion syndrome.
Symptoms of hand-arm vibration syndrome include:
Tingling and numbness in the fingers and hands.
1/
5
, NEBOSH General Certificate NG2- Element 5:Physical and
Psychological Health with all Correct & 100% Verified Answers |
Latest Version
Blanching (whitening) of the ss of grip strength.
fingers on exposure to
cold conditions.
Reddening and pain of the
fingers due to blood
supply returning after a
blanching attack.
s
o
f
f
i
n
g
e
r
d
e
x
t
e
r
i
t
y
.
L
o
2/
5
