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The rails expand during the heat of a summer day.

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10y ago

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What will happen to steel railroad tracks on a hot day if they were laid out during a cold day without clearance or gap?

When metals become cold, they contract and take less space, but when a metal gets hot, it expands and it will need more space. So, in this case the metal tracks took less space when fitted without gaps on the cold day, but on the hot day the metals will need more space and therefore will push outwards. The tracks will become buckled, and when the train comes, it will go off track.


Why do railway tracks sound louder in winter than in summer is it expansion or contraction?

Contraction is the reason that railway tracks sound louder in winter.


What can be compared to a three-way switch?

A three-way switch can be compared to a fork in the road, where you have two choices on which way to go. It can also be compared to a team with three players passing a ball back and forth, each player having a turn to control the direction of the ball.


How does Maglev run during winter?

Maglev trains are designed to operate in cold weather conditions during winter. Special heating systems are in place to prevent ice or snow buildup on the tracks, ensuring that the trains can maintain their speed and efficiency even in low temperatures. Additionally, the maglev technology reduces friction between the train and the tracks, which helps to minimize any impact that cold weather might have on the train's performance.


If you fall into a train track would you have to touch both the rails to be electrocuted?

It is generally unsafe to be too close to railroad tracks except at marked crossings and with your full attention for oncoming trains. Do not play around train tracks at all. Standard train tracks do not carry significant power, you would not get electrocuted if you touch either or both rails. A subway train however would fry you promptly. Such was the fate of Mister Green in 'The Taking of Pelham 123.'