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Noise Pollution

Noise is considered as pollution if it badly affects human and wildlife activity, or if it can damage physical structures on a recurring or regular basis. Sources of noise pollution include transportation and construction systems, and mechanical equipments.

791 Questions

Who makes land pollution?

Land pollution is created by humans, animals, plants, factories, automobiles, and houses, for the most part.

Slogan for pollution?

shield the earth and shield yourself from air pollution

we can reduce air pollution by using battery powered vehicles and bicycles.

some slogans are as follows:

1. Plant trees & plant your health.

2. Reduce air pollution & increase your life span.

3. Air pollution is a ladder to destruction of nature.

4. Prevent air pollution, protect nature.

5. Cutting the trees is as cutting the health.

Where to make complaint about noise pollution in delhi?

You can complaint at Delhi Pollution Control Committee

DPCC

4th floor Kashmeri Gate (ISBT Building)

Delhi 110006

Introduction of pollution?

pollution is the contamination of air, water or soil materials interferes with human health.

How do you fix tappet noise in a vl commodore?

Answer noisy tappets VLdepends on the model some can be done at home with a torqe rench but others can be a bigger pain. Try doing a oil change i recomend the CASTROL GTX3 15w/40 engine oil 5lt under $30 along with the ryco oil filter (for a 1986 VL part number z145a $5) and a bottle of oil flush under $20 as the noise can also be from lack of service or the oil being to thick.

drain the oil

Follow oil flush directions

change filter

PUT SUMP PLUG IN

fill with oil

do this after 5,000ks do it again then after another 5,000 do it again then your tappets should be clean and lubricated enough to adjust them self.

for more friendly advice go to your local Holden dealership with a workshop they will give you all the info to do it yourself.

Where are clothing donation bins?

A lot of charity shops will take good quality clothing donations or have phone numbers on their websites to call for the nearest location.

How do you prevent noise exit from your workshop?

Generally, noise gets out through the walls, windows and doors. If you need to quiet things down, what can you hang from the walls? (Make sure is not a fire hazard!!) Can windows be shut, and are they double pane (or more) and better sound insulators? Is the door shut, and what can be hung on the inside to quiet things down? Air movement in a closed building may be a challenge with all the openings closed, but your choices are limited. Sound can turn corners and stuff. There are a few options for sound reduction, but it is critical to use one's head in evaluating them. Working conditions may deteriorate quickly by buttoning things up, and there's always the flammability of soundproofing materials to consider. None of these suggestions look at or consider the sources of the noise. There are a zillion of them, and each machine or job evolution will have to be looked at to see what is noisy and whether or not something can be done about it. Good luck with this one.

What is white noise?

White noise is random sound that contains an equal amount of all the frequency components across the spectrum one is testing. It sounds sorta like the hiss one hears when a television is tuned to a blank channel (if the television doesn't automatically mute the sound when no signal is present, however). If one has white noise and examines the signal level of, say, the 55 cycle per second signal component, it will be the same as, say, the 927 cycle per second signal component, or the 2651 cycle per second signal component. Check this out: http://en.wikipedia.org/wiki/White_noise

Your car is making a loud noise coming from your right tire when turning what could be?

Check tire for wear and inflation Make sure the inner plastic didnt fall off alittle bit. Could be cv joint or a bad wheel hub.

What causes noise or static on a telephone?

The most common cause is improper wire usage such as using non-twisted pair within the home (doorbell wire or alarm wire instead of telephone wire). Another common issue is the cable in the outside plant becoming ungrounded or interference from the electric company wires. Below is a great description from Wikipedia.

Twisted pair cabling is a type of wiring in which two conductors (the forward and return conductors of a single circuit) are twisted together for the purposes of canceling out electromagnetic interference (EMI) from external sources; for instance, electromagnetic radiation from unshielded twisted pair (UTP) cables, and crosstalk between neighboring pairs. It was invented by Alexander Graham Bell.

In balanced pair operation, the two wires carry equal and opposite signals and the destination detects the difference between the two. This is known as differential mode transmission. Noise sources introduce signals into the wires by coupling of electric or magnetic fields and tend to couple to both wires equally. The noise thus produces a common-mode signal which is cancelled at the receiver when the difference signal is taken. This method starts to fail when the noise source is close to the signal wires; the closer wire will couple with the noise more strongly and the common-mode rejection of the receiver will fail to eliminate it. This problem is especially apparent in telecommunication cables where pairs in the same cable lie next to each other for many miles. One pair can induce crosstalk in another and it is additive along the length of the cable. Twisting the pairs counters this effect as on each half twist the wire nearest to the noise-source is exchanged. Providing the interfering source remains uniform, or nearly so, over the distance of a single twist, the induced noise will remain common-mode. Differential signaling also reduces electromagnetic radiation from the cable, along with the associated attenuation allowing for greater distance between exchanges.

The twist rate (also called pitch of the twist, usually defined in twists per meter) makes up part of the specification for a given type of cable. Where nearby pairs have equal twist rates, the same conductors of the different pairs may repeatedly lie next to each other, partially undoing the benefits of differential mode. For this reason it is commonly specified that, at least for cables containing small numbers of pairs, the twist rates must differ.

The earliest telephones used telegraph lines, or open-wire single-wire earth return circuits. In the 1880s electric trams were installed in many cities, which induced noise into these circuits. Lawsuits being unavailing, the telephone companies converted to balanced circuits, which had the incidental benefit of reducing attenuation, hence increasing range.

As electrical power distribution became more commonplace, this measure proved inadequate. Two wires, strung on either side of cross bars on utility poles, shared the route with electrical power lines. Within a few years the growing use of electricity again brought an increase of interference, so engineers devised a method called wire transposition, to cancel out the interference. In wire transposition, the wires exchange position once every several poles. In this way, the two wires would receive similar EMI from power lines. This represented an early implementation of twisting, with a twist rate of about four twists per kilometre, or six per mile. Such open-wire balanced lines with periodic transpositions still survives today in some rural areas.

Twisted pair cables were invented by Alexander Graham Bell in 1881.[1] By 1900, the entire American telephone line network was either twisted pair or open wire with transposition to guard against interference. Today, most of the millions of kilometres of twisted pairs in the world are outdoor landlines, owned by telephone companies, used for voice service, and only handled or even seen by telephone workers.

What is the law if your vehicle is repoed and the motor and transmission is gone?

I believe it depends on what state you reside, but if you legally haven't finished the contract to pay for the car and have sold the motor and transmission out of it.. you are responsible for the cost. They will sell the car, putting in a motor and transmission and auction it off to the highest bidder. Even if that is not what is left owed on the car. You will be legally responsible for the rest due. Whatever that amount is. It does depend on your state though I would check with your local courthouse. When you purchase a vehicle and obtain a title loan, you are obligated under the terms of the agreement to keep the vehicle in running condition. If you remove parts from the vehicle you can be held responsible for the full price of the vehicle and it is conceivable that the courts may impose criminal charges for your actions. They cannot impose "criminnal charges" on you for removing the transmission and motor.It is contract law not criminal law which governs this.

What are the most effective methods for reducing noise pollution through the implementation of sound barriers?

The most effective methods for reducing noise pollution through sound barriers include using materials like concrete, brick, or vegetation to block or absorb sound, placing barriers strategically between noise sources and sensitive areas, and ensuring barriers are tall and thick enough to effectively reduce noise levels.

How can I effectively reduce outside noise in my room using a window noise blocker?

To effectively reduce outside noise in your room using a window noise blocker, you can install a thick, soundproof curtain or a window insert made of materials like acrylic or glass. These blockers can help to absorb and block out noise from outside, creating a quieter environment in your room.

How can I effectively soundproof walls in my home to reduce noise pollution?

To effectively soundproof walls in your home and reduce noise pollution, you can add insulation, install acoustic panels or tiles, seal any gaps or cracks, use soundproof curtains or drapes, and consider adding a second layer of drywall.