Quiet Roads Ahead IELTS Reading Answers
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The Academic passage ‘Quiet Roads Ahead’ is a reading passage that appeared in an IELTS Test.
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Quiet Roads Ahead
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| Question number | Answer | Keywords | Location of keywords |
|---|---|---|---|
| 27 | G | It emerges from the factory rolled, like a carpet, onto a drum 1.5 metres in diameter. On site, it is unrolled and stuck onto its foundation with bitumen. | Paragraph G;
Lines 1 – 2 |
| 28 | D | Hot asphalt, mixed with small stones, is spread into the mould by a rail mounted machine which flattens the asphalt mix with a roller. When it sets, the 10-millimetre-thick sheet has a surface smoother than anything that can be achieved by conventional methods. | Paragraph D;
Lines 4 – end |
| 29 | J | The success of Kuijpers’ design will depend on how much it eventually costs. | Paragraph J;
Line 3 |
| 30 | B | Houses become harder to sell where environmental noise is high, and people are not as efficient or productive at work. | Paragraph B;
Last line |
| 31 | I | On large highways, trucks tend to use the inside lane, so resonators here could be tuned to absorb sounds at around 600 hertz while those in other lanes could deal with higher frequency noise from cars. | Paragraph I;
Last line |
| 32 | C | He set out to tackle the three most important factors: surface texture, hardness and ability to absorb sound. | Paragraph C;
Last line |
| 33 | asphait | Hot asphalt, mixed with small stones, is spread into the mould by a railmounted machine which flattens the asphalt mix with a roller. | Paragraph D;
Line 4 |
| 34 | 9 | Those used in the top layer are just 4 or 5 millimetres across, while the ones below are approximately twice that size – about 9 millimetres | Paragraph F;
Line 2 |
| 35 | concrete | It consists of a sound-absorbing concrete base | Paragraph H;
Line 2 |
| 36 | E | Kuijpers says the surface can absorb any air that is passing through a tyre’s tread (the indentations or ridges on the surface of a tyre), damping oscillations that would otherwise create noise. | Paragraph F;
Line 3 |
| 37 | J | And in addition they make it easier for the water to drain away, which can make the road safer in wet weather. | Paragraph F;
Last line |
| 38 | G | These cavities act like Helmholtz resonators – when sound waves of specific frequencies enter the top of a flask, they set up resonances inside and the energy of the sound dissipates into the concrete as heat. | Paragraph H;
Line 3 |
| 39 | C | This flow will help flush out waste material and keep the pores in the outer layers clear. | Paragraph H;
Last line |
| 40 | A | Kuijpers can even control the sounds that his resonators absorb, simply by altering their dimensions. | Paragraph I;
Line 1 |
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