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- 1. Multiple Choice
What is noise measured in?
Hertz
Frequency
Decibels
Pressure
- 2. Multiple Choice
What is it called where structures have suffered stress fractures due to constant exposure to sound that has made them vibrate
Stress Fracturing
Acoustic Fatigue
Acoustic Fracturing
Stress Fatigue
- 3. Multiple Choice
What is the lowest sound the average 20yrs old can hear?
5Hz
10Hz
20Hz
40Hz
- 4. Multiple Choice
What is the highest sound the average 20yrs old can hear?
2,000Hz
20,000Hz
200,000Hz
2,00,000Hz
- 5. Multiple Choice
What can be the effects of noise on living organisms? Please tick all that apply
Hearing Damage
Stress related ulcers
Irritability
No followers on TikTok
- 6. Multiple Choice
Please tick ALL the strategies used to reduce the noise pollution from military aircraft.
Avoid urban areas
Avoid ecologically sensitive areas
Use of baffle mounds
Only flying at 100ft in Tactical Training Areas
- 7. Multiple Choice
Please tick all the strategies employed by airports to reduce noise pollution
Use of baffle mounds
Taxi towards residential areas
Taxi away from residential areas
Restrictions to town planning near airports
- 8. Multiple Choice
What is pictured here?
Winglets
Engine hush kits
Blended wings
Chevron nozzles
- 9. Multiple Choice
What is the important ratio in high bypass engines
Bypass Air: Engine air
Engine air: Exhaust air
Bypass Air: Exhaust air
Bypass Air: Free flow air
- 10. Multiple Choice
Which strategies are used to decrease noise from aircraft operation. Please tick all that apply
Steep take off angle
Shallow take off angle
Varied descent angle
Constant descent angle
- 11. Multiple Choice
What do the initials QC stand for when deciding how many flights will be permitted at airports by the different airlines
Quota Calculation
Quota Calibration
Quotation Calculus
Quota Count
- 12. Multiple Choice
Which type of transport causes the least problems in terms of noise pollution for the UK as a whole?
Road
Rail
Buses
Air travel
- 13. Multiple Choice
Please tick all strategies used to reduce noise pollution from road traffic
Double glazing of houses on busy routes
High Ratio Bypass Engines
Fences to absorb noise
Improved vehicle aerodynamics
- 14. Multiple Choice
How is noise reduced from supersonic flights?
They are banned
Restrictions on night flights
No flight routes over urban areas
Always using steep take off angles
- 15. Multiple Choice
What does TNI stand for?
Taxing Noise Index
Traffic Noise Indicator
Traffic Noise Index
Traffic Noise Identifier
- 16. Multiple Choice
Which type of transport industry uses the Noise and Number Index
Aircraft
Road
Rail
Sea
- 17. Multiple Choice
Tick all of the strategies used in industry to reduce noise levels
Remote machine operation
Use of acoustic mats
Sound absorbing materials in the walls
Acoustic curtains placed around machinery
- 18. Fill in the Blank
What is pictured here?
- 19. Multiple Choice
What type of scale are decibels measured in
Logarithmic
Linear
Histogram
Musical
- 20. Multiple Choice
What effects can noise have on livestock. Please tick all that apply
Breeding success issues
Panic and subsequent injury
Reduced wool production
Reduced milk yield
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