Question

What would happen in hot weather if there were no gaps in the track?​

Answer 1

● As the rails heat up with the weather (or even over the diurnal cycle), they expand, and then contract again as the ambient temperature drops. ... If there were no gaps, the rails would expand, and with nowhere to expand, would simply force themselves to buckle, thus making the track unserviceable.

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Answer 2

Answer:

As we know, the gaps of rail lines get expanded when they got hotter. If there were no gaps in the track, there will be no place for the lines to get expanded. As a result, the lines may get bent or something worse.

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