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Noise Pollution Causes Effects And Prevention Pdf Download

 
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Noise Pollution Causes Effects And Prevention Pdf Download
 MessagePosté le: Jeu 1 Sep - 12:52 (2016) Répondre en citant  
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4. Social Events: Noise is at its peak in most of the social events. The noise at source can be reduced by replacing noise producing machines with suitable improved technique. It is the major cause for several ailments. by modulating the hormone content in blood. (a) Use of improved technique: . Some of the important effects of noise pollution are outlined as given below:.

The machines used in house construction like concrete mixes, vibrators, bulldozers, heavy diesel lorry, building demolition activities also add to the noise pollution. On a personal level, everybody can help reducing the noise in their homes by lowering the volume of the radio, music system and the television. People may find it difficult to cope with their normal routine life. The down point is that these construction equipments are too noisy. 5. For example, the noise from exhaust fans can be decreased either by increasing the number of blades or by decreasing the rotational speed. The noise from rail traffic is comparatively lower than that from road traffic. Circular saw1106. (v) Exposure to low frequency noise can reduce heart beat, variation in blood pressure and breathing difficulties. (iv) Noise pollution also refers to perturbations which interfere in the communication systems.

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