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Q.

Which of the following is an example of noise in transportation?


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a

Trains

b

Petrol and diesel vehicles

c

Pressure horns used by automobiles

d

All of the above 

answer is D.

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Detailed Solution

Trains, Petrol and diesel vehicles and pressure horns used by automobiles are the examples of noise in transportation.
Vehicular noise is the result of the vibrating body of the vehicle and its engine operating sound. Generally, heavier traffic volumes, higher speeds, and greater numbers of trucks are the cause of louder traffic noise. Where vehicle noise is a combination of the noises which are produced by the engine, exhaust, and tires, also, As a growing body of research reveals, transport noise can cause sleep disturbance, cardiovascular disease, elevated hormone levels, psychological problems and even premature death; studies on children have identified cognitive impairment, worsened behaviour and diminished quality of life.
     
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