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beacuse is good

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βˆ™ 10y ago
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βˆ™ 12y ago

Overhead cables are heated by the Sun during the day causing them to expand. During the night, the overhead cables will contract.

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Q: Why are wires hung loosely in summer?
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Why do telephone wires hang loosely in summer time and straight and taut when it is cold?

Telephone and electrical wires "sag" in the summer, in hot weather. This is because the wires, like most materials, expand when they are heated. The additional length means that the wires lose tension and sag or droop. In the winter, the wires become shorter, and they may break if too tightly strung.


In the summer of 1793 people accused by Robespierre were hung . Adverb phrase?

In the summer


The adverb phrase of in the summer of 1793 people accused by Robespierre were hung?

In the summer


What are the adverb phrase in this sentence in the summer of 1793 people accused by Robespierre were hung?

In The Summer


Why are the same wires hung tightly during winter?

to prevent from contrastin


Why do wires hang loose on poles in summer?

Every material expands in heat and contracts in cold. The amount of change depends on the material in question. It is important in construction to take this into account. If the cables where hung too tight in the hot summer, when it got cold in winter they would be unable contract enough and would snap. If they where hung loose in the winter, then in summer the cables would sag far too much. An engineer must take this into account when selecting the material used, and planning how much slack to leave to ensure that they will be reliable in hot and cold conditions.


What happens to wires in the summer?

They lengthen.


Why are telephone wires left slack in the summer?

Bofore the question can be answered, it needs to be properly rephrased.The question contains a grammar error that is all too frequent these days... non-agreement with the subject in number (singular or plural). We need to be more careful of such simple grammar slip-ups. Poor grammar betrays a lack of education and an imprecision of thought.Correction: Why are telephone wires left slack?This error is creeping into speech today...from even the news anchors... through the contraction of "is" following the word "there", e.g. "there's too many jobs being lost...".Correction: There are too many jobs being lost...


What is the Name of a loosely woven cotton fabric?

Cotton fabric that is loosely woven can be very comfortable and cool to wear. This is worn in the summer by both males and females.


Why are the wires hung tightly during the wintertime?

Overhead wires expand slightly in the summer when the temperature is higher, so they become a little longer and hang lower. Clearance height rules must be met at the maximum expected temperature.


Why does a loosely knit sweater keep you warmer than a tightly knit one?

to allow expansion in summer


When will a telephone wire be longer summer or winter?

When metals (like the copper in the telephone wires) gets exposed to heat, they expand (thermal expansion) and when the get cooled they shrink. This directly implies that cables are longer in summer when it is hot. So telephone wires are longer in the summer.