Question

Name the causes for noise pollution.

Answer 1

Stationery sources- Use of loudspeakers, noise from bulldozers, drillers and dynamites to break rocks, household electronics like vacuum cleaner, TV, radio, sound system, grinder, mixer etc.1.Transportation- it includes noise coming from the road traffic, rail traffic, air traffic and highway noise. The sound coming out of horns, engine, 
2.transmission, heavy diesel vehicles etc. the aircraft noise is not continuous like road traffic but is intermittent. The noise coming from the rail traffic can be a real nuisance.
3.Industries- In industries noise will always be the by-product of energy conversion. The compressors, generators, furnaces, looms, grinding mills, release valves and exhaust fans are the main noise sources.
4.Construction work- if you live in an area where construction work is going on you would know the level of noise pollution. The heavy equipments used at the site create a lot of noise.