Railway Engineering
The load on each axle of a locomotive is 22 tonnes. If the coefficient of friction is 0.2, then the hauling capacity due to 3 pairs of driving wheels will be

19.81
6.61
26.41
13.21

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Railway Engineering
Switch angle is the angle between

the outer face of the stock rail and the gauge face of the tongue rail
the gauge face of the stock rail and tongue rail
the outer face of the stock rail and tongue rail
the gauge face of the stock rail and outer face of the tongue rail

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