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Q. |
A train has to negotiate a curve of radius 400m. By how much should the putter rail be raised with respect to inner rail for speed of 48 km/h? The distance between the rails is 1m. |
A. | 0.20m |
B. | 0.0454m |
C. | 0.45m |
D. | 0.020m |
Answer» B. 0.0454m | |
Explanation: h = (v2 l)/rg h = 402/32 = 0.0454m. |
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Thermal Engineering 2