Question

state two factors which the railway tracks get expand ?​

Answer 1

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The stressing process involves either heating the rails, causing them to expand, or stretching the rails with hydraulic equipment. They are then fastened (clipped) to the sleepers in their expanded form. This process ensures that the rail will not expand much further in subsequent hot weather.......

Answer 2

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• The stressing process involves either heating the rails, causing them to expand, or stretching the rails with hydraulic equipment.

• They are then fastened (clipped) to the sleepers in their expanded form.

• This process ensures that the rail will not expand much further in subsequent hot weather..