| 1. | Round spikes are not used for fixing ........ rails on wooden sleepers ? | |
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flat footed
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bull headed
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flat footed
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none
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Report Question| 2. | If alpha is the switch angle and R is the radius of the turn out, the length of tongue rail will be ? | |
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R tan alpha
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R tan alpha/2
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R cot alpha
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R cot alpha/2
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