Question:
A train track is laid with 100 m pieces of steel rails. If coefficient of linear expansion of steel is 11 x 10-6, what must be the minimum gap between two pieces of rails so that the train can run safely between 0°C and 50°C ?
A train track is laid with 100 m pieces of steel rails. If coefficient of linear expansion of steel is 11 x 10-6, what must be the minimum gap between two pieces of rails so that the train can run safely between 0°C and 50°C ?
Updated On: May 4, 2024
- 5.5mm
- 5.5 cm
- 2.75 cm
- 11 cm
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The Correct Option is B
Solution and Explanation
The correct option is (B): 5.5 cm
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