WorksheetsM9.5 Noise in the Workplace
Total questions: 25
Worksheet time: 13mins
What is the recommended maximum sound level for unprotected exposure?
100 dB
115 dB
130 dB
140 dB
What type of protection is commonly used by aircraft maintenance engineers?
Helmets
Ear plugs and ear defenders
Safety goggles
Gloves
What is a long-term effect of noise exposure?
Temporary hearing improvement
Permanent hearing damage
Increased alertness
Enhanced verbal skills
What is the effect of noise on verbal communication?
Improves it
Interferes with it
Has no effect
Enhances it
What is a common tool used to measure sound intensity?
Thermometer
Decibel meter
Barometer
Speedometer
When should hearing protection be used according to the rule of thumb?
When music is playing
When conversation cannot be heard clearly at two metres
When working alone
When it is raining
Why is it important for engineers to communicate away from noisy areas?
To save time
To avoid miscommunication
To enjoy the view
To relax
What is the primary purpose of using ear defenders?
To enhance sound quality
To improve concentration
To protect against loud noises
To communicate better
Which of the following is a sign of potential hearing damage?
Enhanced speech recognition
Clearer hearing
Ringing in the ears
Improved balance
What is a common method to reduce noise exposure in the workplace?
Increasing volume
Using soundproof barriers
Removing all machinery
Ignoring the noise
What is the main reason for using soundproof barriers in a workplace?
To reduce noise exposure
To enhance communication
To improve lighting
To increase noise levels
Which device is used to protect hearing in extremely noisy environments?
Speakers
Microphones
Ear defenders
Earphones
What is a common symptom of short-term noise exposure?
Increased energy
Enhanced concentration
Temporary hearing loss
Improved hearing
What is a common effect of long-term exposure to high noise levels?
Improved memory
Enhanced focus
Better sleep quality
Permanent hearing loss
What is the range of frequencies that a young person can usually hear?
20 Hz - 20 kHz
50 Hz - 50000 Hz
20 kHz - 30 kHz
What is the unit that the intensity of sound is measured in?
Volume (amps)
Decibels (dB)
Loudness (screams)
Where should ear defenders be worn
Only when working on the line
Only when working in the hanger
Both on the line and in the hanger
A jet aircraft will produce sound of around ______ decibels
90
10000
140
Why might places such as airport ramps or apron areas be very noisy?
Because of people shouting
Due to running aircraft engines or Auxiliary Power Units and moving vehicles
Due to excessively windy conditions
If ambient noise levels are over 90dB what can happen to a person?
Hearing damage can occur, with prolonged exposure
A person might feel more energetic
It can make people work faster
What should an aircraft engineer make sure they do during rest periods if they are working in a noisy environment?
Drink plenty of coffee.
Move to a quieter place during the rest time.
Check their phone for important messages.
What do we mean by 'noise' in the context of hearing.
Any sound which only humans can hear.
The sound produced by musical instruments
Any unwanted sound, especially if it is loud, unpleasant and annoying.
When should an aircraft engineer carry some form of ear protection?
Nearly always
Never, they might lose them
Only at night
What should an aircraft maintenance engineer do if it's too loud to communicate clearly with colleagues and incoming engineers at a shift change?
Move away from the noisy area to somewhere quieter.
Shout louder
Use sign language to make themselves clearer
What is the difference between short term effect and long term effects of noise?
Short term is temporary, long term is permanent
Short term is less painful
Long term isn't as serious.
