Q. If S is the switch angle and α is diamond angle, r is the radius of slip, the distance between middle point slip and the nose of obtuse crossing, is

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Q. Wooden sleepers used on the girders of bridges, are generally made of

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Q. If a 0.7% upgrade meets a 0.65% downgrade at a summit and the permissible rate of change of grade per chain length is 0.10%, the length of the vertical curve, is

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Q. Overall depth of a dog spike, is

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Q. Pot sleepers are in the form of

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Q. In railways a triangle is mainly provided for

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Q. A kink is made in stock rails, ahead of the toe of switch at a distance of

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Q. Rails are bent to correct curvature if the degree of curve, is more than

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Q. The first Indian railway was laid in

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Q. The weight of the rails depends upon

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Q. Pick up the correct statement from the following :

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Q. Pick up the incorrect statement from the following:

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Q. Minimum depth of ballast prescribed of B.G. trunk lines of Indian Railways, is

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Q. Pick up the incorrect statement from the following:

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Q. If α is switch angle and R is radius of the turnout, the length of the tongue rail, is

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Q. The quantity of stone ballast required per metre tangent length, is

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Q. The type of switch generally used for B.G. and M.G. tracks, is

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Q. In India the rails are manufactured by

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Q. Rail section first designed on Indian railways, was

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Q. A scissors cross-over consists of

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