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

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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.