Energy resources and environmental pollution (L14)

Question 1

What is noise pollution

Answer 1

Unwanted sound that causes disturbance, annoyance or damage

Question 2

What are the effect on humans on loud noise

Answer 2

Deafness
Stress
Heart disease
Headaches
aggression
hysteria

Question 3

effects of noise on living organisms

Answer 3

Livestock disturbance

Abandoned nests

Question 4

What would the threshold of audibility be if a person has experienced hearing loss

Answer 4

Would shift upwards and become narrorew

Question 5

Effects of noise on non-living things

Answer 5

Acoustic fatigue - stress cracks to appear in buildings

Structural damage

Question 6

What are the sources of noise pollution

Answer 6

Industrial
Transport
Aircraft
Domestic

Question 7

Control of industrial noise

Answer 7

Providing ear defenders
Equipment designed to be quieter
Acoustic insulation can be added to equipment
Soundproofing buildings

Question 8

Control of transport noise

Answer 8

Quieter vechiles/roads, double glazing
Earth embankmentts
New places away from urban areas

Question 9

Control of domestic noise

Answer 9

Keep to reasonable volume
Locate appliances where they'll cause the least damage
Ear defenders
Speaker volume
Control of pets

Question 10

What is the deciBel scale

Answer 10

Sensitivity of human hearing - quietest sound is 0 Bel

Question 11

Traffic noise pollution

Answer 11

Assumes traffic noise is only a problem between 6am and midnight
Measured during the noisiest 10% of each of these 18 hours